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The Perilous Migration of Birds through Cities

Meena Miriam Yust

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How many birds flying into buildings die,

Thinking the glass reflection is the sky. —   with a nod to Kansas poet Madeleine Aaron

Bird migration is a wondrous and majestic phenomenon.  One may witness flocks of colorful songbirds sweeping the skies, geese gliding in a V-shape of beautiful symmetry, or a great hawk soaring above and diving for prey at 120 miles per hour.

About half of all birds in the world migrate, and even the smallest may travel remarkably long distances. Incredibly, the tiny hummingbird can fly nonstop 600 miles over the Gulf of Mexico. Some round-trip migrations can wind their way for as long as 44,000 miles.

Most songbirds migrate at night, and nocturnal travel makes their journey particularly perilous in light of human development. Birds face many obstacles along the way, including extreme weather events and lack of habitat. Yet, one particularly tragic and preventable peril remains: human-made structures.

Scientists estimate an astounding upper-level figure of 1 billion birds that die in the U.S. each year from building collisions. Making matters worse, 40 percent of the world’s bird species are already in decline. In the last decade alone, four birds became extinct and four more are “on the verge of extinction.”  Nearly one in five bird species in Europe is at risk of extinction

Artificial light from buildings draws migratory birds like a beckoning siren, luring them toward lit cities where skyscraper glass reflections are plentiful and deadly. What appear to be skies and trees turn out to be deceptive reflections, and as the birds glide toward the images, they slam into glass. Many are killed instantly, while some are seriously wounded.

Scientists at the Cornell Lab of Ornithology have investigated light pollution and bird migration patterns in major U.S. cities to determine where collision risks are highest. They report that the median light exposure to birds in cities is 24 times higher than the countrywide average. Chicago tops the list of dangerous U.S. cities for birds, followed by Houston and Dallas. This is true for both fall and spring migrations. Other dangerous metropolises include New York, Minneapolis, St. Louis and Los Angeles.

The central region of the U.S. happens to be a superhighway for bird migrations. Every spring and fall, over 5 million migrating birds comprised of 250 species pass over Chicago, where the city’s glass skyscrapers and artificial light become a death trap. Scientists from the Field Museum in Chicago have been counting dead birds at just one building (McCormick Place) since 1978. By 2002, the numbers had totaled 29,842 birds from 140 species. Chicago clearly has to be a major focus for conservation efforts during migration periods, as should the other hazardous cities identified in the study.

Another useful lesson from the Cornell study is one of timing, and this can help birds in many geographic regions of the U.S. Particularly crucial is the ability to pinpoint specifically when the birds face the greatest risks in each region. Fine-tuning the weeks when help is most needed can have a substantial impact on saving birds.

Researchers discovered that while a migration may continue over a six-month period, it “occurs in sporadic waves,” with the vast majority of birds passing through dangerous locales on just a few nights. Half of all migratory birds each season passed a metro location on approximately 7 to 10 nights during their migrations. This means helping birds, even for a period as short as a week, can have a significant impact. Really though, we must do more.

How Can We Lower the Rate of Bird Collisions?

For low-rises and high-rises, minimizing artificial window light is highly beneficial. This can be done by turning out the lights at night, drawing curtains and blinds, using a small lamp on a table rather than bright ceiling lights and introducing lights with motion sensors in office buildings.

Additionally, participating in Lights Out projects during peak migration times saves many birds. For the average reader, this is as simple as turning the lights out after 11 pm during fall and spring migration months. For building owners, minimizing exterior lighting is also essential. Lights Out programs are being organized in many major cities and have saved thousands of birds. A two-year study by the Field Museum using McCormick Place in Chicago found that turning off the lights resulted in an 83 percent reduction in bird window-collision deaths.

Chicago Bird Collision Monitors rescues injured birds and counts fatalities each morning during migration. Notably, they rescued an injured peregrine falcon (on the endangered list) that was restored to health and released. “We know that before all buildings were participating consistently in Lights Out, there was a foggy night in 2002 when many birds were migrating where a single building was reported to kill over a thousand birds in one evening,” said Annette Prince, the program’s director. “Chicago Bird Collision Monitors worked with buildings to get better participation in Lights Out and by 2004, saw 100 percent participation in light reduction so that subsequently we have never had a single building kill so many birds at once.” 

The Cornell Lab of Ornithology has a live bird migration map, so one can view in real time when birds are migrating through one’s locale and be cognizant of light pollution during peak days. It is important to note that turning lights out whenever possible is also beneficial outside of migration periods, as scientists have shown that substantial numbers of collisions can and do occur outside of migration periods, even in winter.  

Bird-friendly architecture for new construction is essential, as is mandatory legislation. Additionally, adding bird-safe architecture to green building certification standards is recommended by scientists. The extent to which architectural changes can affect bird collision incidence is illustrated by the recent renovation of New York’s Javits Center – a building previously responsible for the most bird deaths per year in New York. To help mitigate the problem, architects replaced dark-mirrored glass with glass that had a subtle fritted pattern, and also added a green roof for nesting. The project was a remarkable success, reducing bird collisions by 95 percent.  Other architectural strategies are installation of UV-coated glass, translucent glass and indented windows with shutters. Legislation requiring implementation of these strategies is crucial to saving birds from collisions.

Chicago proposed bird-friendly building legislation at the beginning of the year.  The ordinance would limit the percentage of transparent or reflective glass that can be used in new and renovated construction exteriors. Specifically, it would require that from the ground to 36 feet up, at least 95 percent of the exterior cannot be covered in glass, or must use glass containing frosting, etching or screens.  Nonessential exterior lighting would also be required to automatically shut off after 11 pm. Chicago’s legislation was introduced by Alderman Brian Hopkins and is supported by Bird Friendly Chicago. It is expected that real estate developers will oppose the bill. Michael Cornicelli, executive vice president of the Building Owners and Managers Association of Chicago, communicated that the portion of the bill requiring adoption of bird-friendly architecture to renovations of existing buildings would be “a potential sticking point.” San Francisco and Toronto already have bird-friendly legislation in place to serve as a model.

On a national level, U.S. Rep. Mike Quigley, a Democrat who is also a Chicago resident, has reintroduced the Bird-Safe Buildings Act (H.R. 919), which he has tried four times to pass since 2010. Dr. Christine Sheppard, director of American Bird Conservancy’s Glass Collisions Program, notes, “The legislation would help address one of the greatest human-caused threats to birds. Although this legislation is limited to federal buildings, it’s a very good start that could lead to more widespread applications of bird-friendly designs and use of bird-smart glass solutions.” 

When enacted, these bills will reduce bird collision deaths, and in the next few months, we will see how they fare.  

In the meantime, researchers recommend that residents take a few of the following precautions to help minimize window collisions: angling windows to reduce reflection, keeping indoor vegetation away from windows, installing netting, ultraviolet-reflecting glass or decals spaced closely together.  And of course, simply turning out the lights helps. 

These same strategies can be used in any city around the world where migratory birds traverse.  Collectively, we can reduce the incidence of bird collisions and help the many already threatened species to have a better chance of survival.

In the coming months, look to the sky and around you. Stop awhile and you will hear birdsong, more in the morning but also during the day; wee warblers with deceptively loud melodies, cardinals singing their sweet song, and if you look carefully you might catch a glimpse of a puff of bright yellow, the source of that surprising volume. These and others are growing families and enriching our lives before they prepare for the thousands of miles long autumn journey to their winter homes.

Author’s note: first published in Truthout.org

Meena Miriam Yust is an attorney based in Chicago, Illinois. Educated at Vassar College and Case Western Reserve University School of Law, she published a draft Migratory Insect Treaty with commentary in the Case Western Reserve Journal of International Law.

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Green Planet

EU fertilizer regulations: What are the consequences for the European food chain?

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European food security is at risk from well-meaning, but problematic regulations representing elements of the European Union’s Circular Economy Package 2018. While capping cadmium content in phosphate fertilisers is being touted as a matter of public health, the absence of supporting science, incoherent policy, and the hazardous market consequences are being negligently overlooked. Partially to blame may be the misleading arguments pushed by environmental and industrial lobbies.

The European Union (EU) is increasingly dependent on non-member countries supplying its various needs. When it comes to vital fertiliser, the EU depends on imports for approximately 85% of its phosphate (P2O5). In 2017 most phosphate came from Morocco (1.8Mt), Russia (1.6Mt), Algeria (0.7Mt), Israel, and South Africa. Phosphate is crucial to industrial food production. The fewer phosphate exporters to the EU there are the less competition there is: prices will inevitably rise as a result.

The restrictions proposed in the EU aim to limit the amount of cadmium permitted in phosphate fertilisers. Cadmium is a toxic heavy metal. Present as an impurity in phosphate, it can enter crops and soil through fertilisers. As part of the Circular Economy Package, the Commission proposed an initial cadmium limit of 60mg/kg P2O5, for three years, sliding down to 40mg/kg after nine years, and 20mg/kg after 12 years.

The European Parliament has suggested a final limit of 20mg/kg P2O5 after 12 years while the EU Council’s initial position is a limit of 60mg/kg P2O5 after 8 years.

As a quirk of geology, the phosphate rocks extracted in different regions have differing levels of impurities, like cadmium. This means that the lower the upper limit, the fewer territories that can realistically supply viable phosphate. Notably, at present the phosphate industry maintains that decadmiation is neither technologically nor financially possible.

Problems with the science

Crucially, the science that various EU authorities believe supports their position is hotly contested. The Scientific Committee on Health and Environmental Risks (SCHER), confirmed there was no accumulation of cadmium in soils when fertilisers have an average of 80 mg/kg P2O5, revised to 73mg/kg P2O5 after taking into account new worst-case scenarios. In either case, this is above the limits pushed by the EU authorities, and the difference between the SCHER average figure and the EU maximum limit is equally significant.

“There is substantial uncertainty with respect to the effects of cadmium in fertilizer on cadmium accumulations in humans,” argue agricultural economists Justus Wessler and Dušan Drabik. According to their findings “cadmium concentration in soils in the EU is declining” and therefore “maximum limits on cadmium, voluntary or mandatory, will increase cost without generating additional benefits,”. 

These findings are echoed by researchers for the Swiss Centre for Applied Human Toxicology (SCAHT), who conclude that the “use of P

[phosphate]

 fertiliser at current levels will not lead to soil accumulation of cadmium, and thus there will be no increase human exposure to cadmium.”

Even the European Commission’s own impact assessment found that “on average, cadmium accumulation is not likely to occur in EU 27 + Norway arable soils when using inorganic phosphate fertiliser containing less than 80 mg Cd/kg P2O5.”

How is the policy causing harm to farmers?

While the regulation may be based on largely unsupported health concerns, the effects of the change will be very real for EU farmers, EU fertiliser producers, and the wider European agri-food industry.

Limitations on the concentrations of cadmium permitted in phosphate fertilisers will ultimately reduce the number of viable suppliers of fertiliser products, and therefore, reduce market competition. Farmers and industry insiders believe that this will raise prices for fertiliser products, which are already an expensive overhead.

Fertilisers currently comprise a significant percentage of EU farmers input costs. Many feel that they will not be able to cope with increased prices, as they often already receive insufficient returns for their products. The European farmers’s interest group COPA and COGECA has argued that “the increase in input costs will be detrimental [to farmers’s]…economic viability and to the sustainability of farms.”

“It will have a negative impact on farmers profitability and the competitiveness of European agriculture which plays a key role in a global economy,” the group also said.

Isabel García Tejerina is a Spanish minister who opposed the proposals for cadmium limitations out of consideration to Spanish farmers and fertiliser producers. Tejerina argued that the regulation demonstrated disregard for farmers interests.

“Too strict cadmium limits would exclude us from the market of phosphate fertilizers”, she said, adding that France and the UK have similar concerns.

While there are limits on cadmium content in fertilisers in order to reduce its consumption, there are currently no limits on cadmium content in food products imported from outside of the EU. This is another source of anger as farmers fear that it could facilitate unfair competition.

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Tipping Points in Australia’s Climate Change debates. Where to Now?

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A record-breaking high summer came early to Australia in 2019. By October, the daily weather map of the country was charting the rapid spread of catastrophic bushfires in disparate regions across the entire island continent. This meant recurrent, intense weather events that combined 40°C temperatures, ferocious winds and dry lightning storms, in which sparse rainfall evaporated before it reached the ground. With the forecasts came repeated warnings: the country’s substantial resources and manpower provided no guarantee the fires that were erupting in such conditions could be contained. Nor that local people and properties could be safeguarded.

For months on end came each day’s tally of the nightmarish realisation of the forecasts. By early January 2020, almost two million hectares of the countryside had been reduced to blackened landscapes. Among the hardest hit were the eastern states where 80% of Australia’s population live. Out-of-control fires in the tinder-dry old eucalypt forests and remote mountain bushland were merging into megafires. Along a 1000 kilometre front on the New South Wales seaboard this meant up to 60 metre walls of flame and ember showers that created windblown spot fires up to 30 kilometres away. With little chance of saving their homes, residents of towns and villages evacuated to makeshift community centres and nearby beaches. An estimated 800-900 houses were destroyed, with a higher number anticipated as evacuated families gradually return to streets of rubble and ash. Driven by the strong winds, a thick, toxic pall of grey smoke had also blanketed coastal areas, as well as inland regions including the national capital of Canberra. Peaking at around 20 times acceptable levels of pollution, the pure mountain air of Australia’s showpiece garden city now had an Air Quality Index that was among the highest in the world. The city’s government handed out free face masks, advised its citizens to stay indoors and for a time closed public institutions and offices. With the sun a spectral red in a sepia-coloured sky, the result was a sensation of eerie, off-world emptiness. As one commentator suggested, the bushfires were like some relentless, hellish creature stalking Australians from all directions.

Meantime, the season of horror and catastrophe has brought renewed momentum to the country’s climate change debates. These are strongly politicised debates. With at least a thirty-year history, they have ranged from the baneful nonsense of the Far Right’s outright climate change denial; to a hesitant, ill-informed scepticism about the limits and accuracy of the science that links Australia’s weather patterns of recurrent droughts, floods and bushfires to wider global climate change; to claims that our carbon emissions are insignificant when compared to those of China, Russia or the US; to apocalyptic predictions of an imminent ‘sixth extinction’ caused by wilful ignorance of the extent of humankind’s destruction of the planet’s eco-systems. In more recent years, there also has gradually emerged qualified optimism that innovative, adaptive technologies can and will provide solutions to the environmental threats.

But in the wake of the bushfires, the prevailing consensus among Australians is challenging the confusion and complacency generated by these debates. To an angry public, the destruction wrought was unarguably unprecedented and only explicable in terms of global climate change. This is evident across social media outlets, the mainstream press, elite opinion makers, the emergency services, the rural towns and farming communities, the more progressive voices in the corporate sector, and to the thousands of anti-government demonstrators on the streets of the state capitals calling for Prime Minister Scott Morrison’s dismissal. Their insistent view has been that their country was blindsided by its third-rate governance under Morrison’s extreme Right-Wing leadership. Specifically, this has meant federal government inertia, dismissal of warnings by independent experts, and funding cuts to key bureaucracies, climate change research institutes and fire control services. The result has been that Australia was drastically ill- prepared for the impact of the coming summer of extreme temperatures combined with prolonged drought.

Moreover, the Morrison government has been widely accused of falling back on traditional, nationalistic ‘meet and beat’ rhetoric. Here what is implied is that we resourceful Aussies would voluntarily rise to the challenge of the seasonal bushfires and emerge victorious. It has also been the Prime Minister’s sloganizing term for his repeated claim that Australia continues to advance towards its 2030 carbon emission reduction targets. For the country’s climate change researchers, and probably most of the rest of the world, this last apparent reassurance severely strains credibility. Not least this is because the current fires have been belching poisonous carbon monoxide and dioxide into the stratosphere, already reaching approximately twice the levels of Russia’s 2019 Siberian wildfires. According to data from a December, 2019 World Economic Forum Report, the bushfires had already pumped out half a year’s CO2 emissions. As well, the report warned that ‘vegetation vital for absorbing CO2 is being destroyed by the blazes.’ To paraphrase a recent media headline, when it comes to climate change debates, ‘Australia has a serious bulldust problem.’ In short, Prime Minister Morrison’s ad hoc political strategies have been perceived as omitting any substantial forward planning or persuasive policy agenda.

All of which raises the question of the extent to which the bushfires might prove to be a turning point towards a more enlightened, informed plan to protect and nurture our environment. The concern is that it might be slow in coming. With some fires yet to be extinguished and smog predicted to choke cities and regional areas at least until April, 2020, for the immediate future the focus is on clean-up and recovery. The Morrison government is providing a two billion dollar funding package for a range of welfare services and for rebuilding communities, as well as for the millions of injured birds and animals to be rescued, nursed and relocated to surviving bush habitats. Australia’s Defence Forces have also been deployed to help in the recovery efforts. Though much needed, it is a strategy that has been satirised by one of Australia’s leading political cartoonists as a panicked Morrison with his backside on fire holding out a fistful of dollars to a scornful polity.

What then of this alleged absence of substantial national policy-making, of the urgent need for transformational planning as the world changes? At a grassroots level the bushfires are already proving to be a further stimulus to a long list of environmentally conscious initiatives, from the rejection of plastic packaging, to voluntary community replanting of tree coverage and grasslands, to fashionable inner-city restaurants surrounded by their own patches of homegrown vegetables, to eco housing design that includes the use of fireproof materials and air filters, to cycling to one’s workplace. For example, in Canberra its territory government guidelines require all new housing to include a water storage tank under the foundations and solar panels on the roof; there is a network of bicycle paths across the city, weekend markets for regional organic farm produce, and fenced sanctuaries to protect native wildlife, which are monitored by park rangers. In line with other state capitals and countries, the city is also phasing out the use of gas, as a stepping stone towards a target of zero carbon emissions by 2045.

With the hope of a more fundamental impact that transcends federal government complacency, there is also an expanding, grassroots focus on the applied science of long-term regenerative agriculture, whose aim is to rescue the arid, drought-ravaged farmlands. Its methodologies go beyond the long-standing European techniques of artificial soil fertilisation and piped irrigation, of the kind that have risked turning the inland lakes and river systems, most notably the Murray Darling Basin, into shallow, permanently-polluted puddles. Instead the starting point is a geographical survey to identify the potential of a degraded, natural water course. The next step is the planting of an abundance of native trees, shrubs, reeds and rushes along its banks and erecting stock proof fencing. As well, ‘live weirs’ are built at intervals to provide erosion control structures that slow water flow and help to reinvigorate the surrounding floodplain through spreading seepage. Within a decade or so the result is described by its practitioners as: a healthy, vibrant ecosystem, filtering water through its extensive reed beds, capturing flood sediments, recycling nutrients and providing complex habitat for birds, mammals, reptiles, frogs, fish and invertebrates. Productivity on the floodplain also increases by around 60%.

The success of an initial project on Mulloon Creek in the New South Wales hinterland has not only been profitable, but has led to establishment of the Mulloon Institute. The Institute has since been selected by the United Nations Sustainable Development Solutions Network (SDSN) as among its top five for its world class development of environmental resilience alongside agricultural productivity. Its current aim is to facilitate 100 landscape projects across Australia and internationally that are similarly profitable and sustainable. Incidentally, it has also been pointed out that these methodologies might well have prevented the fertile gardens of ancient Mesopotamia’s Tigris/Euphrates floodplain becoming the deserts of modern Iraq.

What follows considers a more comprehensive national economic plan that addresses directly the failures of successive, backward-looking conservative governments in preparing the country for the savage onslaught of climate change. The plan incorporates more than a decade of econometric monitoring by the University of Melbourne’s Professorial Fellow, Ross Garnaut, that compares the rising financial costs of maintaining our fossil fuel industries with the profitability of transitioning to renewable energy sources. When he began his study in 2007, Garnaut says, his data confirmed the prevalent assumption that a transition economy based on renewable energy and zero carbon emission technologies would be marked by a period of austerity detrimental to both developed and developing countries. His most recent book, Superpower Australia’s Low-Carbon Opportunity, published in November 2019, reviews his earlier data, concluding that such economic considerations have changed fundamentally and will continue to do so. Falling global interest rates which have reduced the cost of capital, combined with the likely rising price of fossil fuels as a result of increasing demand in large developing countries, is making products and projects that reduce green-house gas emissions more lucrative alternative investments.

In addition, there have been relatively rapid transformative cost reductions in machinery for producing electricity from wind and sun, in battery storage of electricity, and decarbonisation through electrification of transport and in other areas from small to medium businesses to large-scale manufacturing. In other words, for an imaginative, forward-looking company there is a considerable wealth to be made in the transition economy. Garnaut also concludes that Australia is singularly blessed with the geography and resources to be a front-runner in the creation of multi- billion dollar domestic and export industries in renewables. ‘If we all understood the economic value of a transition to renewables,’ he says, ‘we could move from policy incoherence to hope.’ With regard to the issue of whether wishing makes it so, of whether despite his detailed pursuit of statistical evidence in the dismal thickets of economics, Garnaut errs on the side of optimism, his book elucidates a couple of core Australian case studies. The first charts his personal experience of applying research-based knowledge in partnership with private-enterprise. In 2015, he became Chairman of Zen Energy, a South Australian company, with plans to scale up from a relatively small supplier of solar energy and battery storage technology to providing renewables to entire communities and industries. In 2017, the company merged with the British- based, multi-billionaire, Sanjeev Gupta’s global GFG Alliance. Though the evidence is not yet available, the rebranded SIMEC Energy Australia has claimed it will supply 100% of South Australia’s electricity needs by 2019. As Garnaut puts it: ‘…what in 2008 and 2011 I had perceived to be a possibility of modest dimension had become a high probability of immense economic gain.’

A second of a number case studies outlined in Garnaut’s book is the massive investment in solar farming in the semi-desert expanses of Northern and Western Australia. A $20 billion development by a Singapore-based company, Sun Cable, together with substantial planning and investment by two of Australia’s wealthiest men, Michael Cannon-Brookes and Andrew Forrest, is currently building what it promises will be ‘the world’s largest solar farm.’ The plan is for a 15,000 hectare array of 10-gigawatt capacity panels, backed by battery storage, which would not only supplement domestic electricity needs. The clean energy would also be exported to Singapore, using a 4500 kilometre, high-voltage, submarine cable. The company’s Chief Executive, David Griffin, describes the project as capturing ‘one of the best solar radiance reserves in the world,’ adding it will operational in less than decade. Further to the west in the Pilbara region, plans are also currently being developed by the Asian Renewable Energy Hub for an even bigger wind and solar hybrid plant, using giant wind turbines and solar panels. The electricity generated would be used primarily to run a hydrogen manufacturing hub to supply a proposed export market in Japan and South Korea.

Among many other researchers, Garnaut describes these projects as climate change mitigation. Implicit here is the deep-seated global concern that they will not be adequate in meeting the imperative that carbon emission increases should be less than 2% – and preferably closer to 1.5% — with a reduction target of zero emissions by 2050 to avoid the acceleration of catastrophic weather events. There is some comfort to be had for Australia in his findings that the country is already embracing a global trend towards a transition economy. But Garnaut also implies that there is little to be gained from a federal government that has continued to stump the debates for renewables against fossil fuels. Instead, state government support, grass roots initiatives, private sector enterprises, expertise that informs new developments, global partnerships and investment have been emerging as a way forward to a more hopeful future.

From our partner RIAC

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You never miss the water, till the well runs dry

Asad Ullah

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In the past twenty years, virtually every country around the world has experienced natural calamities if we have experienced it in the form of drought, famine, immense downpours,  and snowfall – in the same vein the world experienced it in the way of wildfire, Tsunami, hurricanes, flood, volcanic eruptions, earthquakes and pandemic ailments. The question is, who is accountable for all the calamities and who will pay the price? Nevertheless, it is hard to deny that human civilization is having profound effects on our planet, and very few places persisted unharmed.

This article gives a minor insight into reality, stressing that climate change is not only a threat to water availability or food scarcity but also a significant threat to biodiversity and all the major causes of environmental disasters. The above problems are coupled with one single problem “the rise in global temperature.” Since the dawn of industrialization, the average global temperature increases gradually – no serious step has been taken to tackle the problem.

As the sun’s rays reach the earth’s surface, most are absorbed and re-emitted as heat. Greenhouses gasses such as water vapors and carbon dioxide absorb and re-radiate some of this heat; an increased number of greenhouses gases in the atmosphere mean more heat is trapped – warming the earth. The continued burning of fossil fuels like gas and coal, as well as other anthropogenic activities, have increased the concentration of carbon dioxide in the atmosphere by 45% since the industrial revolution. As a consequence of the human egoistic actions, the global average surface temperature has raised by 0.8OC over that time. However, it is not just a number we should worry about; the costs of the rising temperature is already being felt here and now.

In current 0.8OC rise in temperature, further changes to the climate in recent times can be seen in the warming of the ocean, a rise in sea level, immense heatstroke, decreasing ice sheet and snow in the northern hemisphere as well as a decline in the sea ice in the Arctic. In the coming future, if the emission continues unimpeded, then further warming of 2.6OC to 4.8OC is predictable by the end of this century. Nonetheless, at the low end, this would have a serious implication on human societies and other natural habitats.

Like other greenhouse gases, carbon dioxide is a dynamic gas in global warming. When a considerable amount of carbon dioxide gas is released to the atmosphere, it acts like a blanket preventing the heat from absconding, which comes back to the earth with no place to escape, further intensifying the average temperature. As per the world, average temperature rise, ice sheets, and glacier melt and the sea level expand, which disrupts the coastal communities, infrastructure, and small lands nearby sea.

Climate change also making weather more extremely hot or cold, and further, sever warmer weather and ocean produce a considerable number of hurricanes as well as torrential downpour and wind. In drier areas, global warming is linked with wildfire, drought, amidst all the wildfire has experienced very recently in many countries around the world.

Remarks: In the past years, most of the countries around the globe have witnessed record-breaking changes in the weather; in the same vein, thousands of agreements have been signed by the states to reduce carbon emission; nevertheless, all deals are nothing more than words on pages. The question is, who will make those words a reality. Despite a large number of the accords, none of the agreements came into a function; lack of seriousness is the leading cause. In such circumstances, combine efforts are essential; it is also the concern of the United Nations to push those countries which emit a high amount of greenhouse gases.

The Paris agreement on climate change means working with UN member states to reduce the number of carbon emission by 1.5%, which indeed is the only choice to contest climate change. Since the Paris accord, global banks have invested $1.9 trillion in fossil fuels. The world’s top 100 productive industries are responsible for 70% of global carbon emissions; the G20 countries account for 80% of global carbon emissions; the wealthiest 10% of the world’s population produces half of the carbon emissions while the poorest 50% is account for just 1/10. Indeed, overcoming climate change need mighty force, but some must pay more than others.

Recently a handful of rich countries pledged to reduce the emission of greenhouse gases by so and so % or to become fully climate neutral by this or that date, and nothing has been achieved in the past four years since the accord came into power. The G20 countries are accountable for climate change, and they must take serious action to mitigate or at least lessen the impacts of natural calamities. Instead of signing agreements to satisfy the world, a gravity in their accords is utmost besides with their substantial contribution and thoughtfulness; the global emission may perhaps remain below 1.5%, every friction in the degree matter and even a 1% rise in the global average temperature is detrimental to the ecosystem.

It is now the right time to think and act, spread awareness among people, take deliberate actions, discrete climate changes from politics, and ultimately stop the burning of fossil fuel and re-make this world a green-clean place for living. If we fail to overcome climate change, the world must prepare for long-term everlasting disasters; immense heat-waves, the rise of sea level, acidification of seawater, pure water scarcity, pandemic diseases, wildfire, the extinction of vital species as well as the disruption in food cycle which will, directly and indirectly, disturb the living life.

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