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Green Planet

The Last call for Humans

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An Extinction Level Event is a likely Event that will cause the extinction of the human race. Various Hollywood movies have depicted the different types of ELEs and how they came about. Extinction by viruses, zombies, nuclear winter, computer malware, aliens, solar flares, asteroids, climate change has all been depicted on the silver screen, mostly in a gory and ghastly fashion.

The cinematic fashion in which some of the topics were handled made the word ELE, a figment of the writers’ imagination and hammered into the general populace a Rambo-like image of the humankind which will survive and stand tall, no matter what will come their way. We have come to believe that no matter what happens, Humanity will survive and grow in face of all adversity. We have never been more wrong.

With the advent of the 21st century, a major Extinction Level Event (ELE) that have arisen before the humankind is that of the Environmental Pollution. Unlike other ELEs, this one is of our own making and we know of its coming. The seeds of the destruction were sown way back when the first human was born. Back then, the population of humans was less, their technology unsophisticated and their ecological footprint too small. Nature was able to sustain the Chopping down of a few trees, hunting a few animals and burning some easily available fuel. The first step in controlling environmental pollution is the dispersion, followed by degrading action and decomposition after which it is status quo. Since the after-effects were small, it was easy for dispersion and decomposition. It was with the population explosion of the industrial age and the advent of the era of coal that we started to do some serious damage to the environment. Cities with the booming population like Paris and London which generated a tremendous amount of pollutants and become cesspits of filth and diseases. Forests were leveled to provide for fuel and wetlands were drained to settle cities and provide for agricultural land. Guns made it possible for humans to hunt even the biggest of the animals and man became the apex predator. Then came the era of fossil fuels and we hammered a final nail in our coffins. Cars powered by fossil fuels made transportation easier, allowing for larger cities with more suburbs, which turn required more land and led to concretization of the land. Burning fossil fuels generated, even more, air pollutants than the chimneys of coal did. Advanced ships allowed humans to reach greater depths in the oceans and disturb their sanctity too. Waste management technology evolved but so did the amount of waste and population skyrocketed. Polythene appeared and has now clogged most of our river bodies and is starting to accumulate in the oceans too. Worst of all, Plastics are non-biodegradable and will now remain in the environment for very long. The amount of pollutants which we emit every day is mind-boggling and more so is the environmental degradation committed by us. Forests are being leveled, the soil is being eroded, pollutants are being introduced in the system, water is being contaminated and land is being layered with concrete. Species are being exterminated at an alarming rate and there is a lot of ignorance among the scientists and policymakers on the same. Most think that reducing the rate of pollution can heal the Nature. Others believe that improving standards for emissions will be of some use. No way, the amount of pollutants in the environment is just too much and it will take hundreds, if not thousands of years for the Earth to revert back to its pre-industrial age state. These steps can only slow the damage, not stop it entirely.

Most scientists and policymakers combine Global Warming and Environmental Pollution in one. This is correct to a certain extent. Pollutants like Carbon dioxide, methane, and water vapor increase the greenhouse effect leading to global warming. The global warming is disrupting weather patterns, agricultural practices and increasing the rate of glacial meltdown. This can lead to massive food and water shortfalls “in the future”. Global warming and its effects have been debated and discussed several times and several facts and data in its favor are not yet verified. Global warming is a major crowd puller for the Hollywood. Movies like Waterworld, Day after Tomorrow and several documentaries have earned a lot of cash and won many accolades.

On the other hand, Environmental Pollution comprises of the entire gamut of ecologically degrading effects of humans. The effects of environmental pollution have already started to show on the humankind. Large increases in the instances of lung cancers, eye problems, hearing losses, premature weakening, high fatigue, severe skeletal problems have been observed in the humans while declining productivity, the change in behavioral patterns, low fertility and mutation has already appeared in the flora and fauna. The effects are causing real losses to the global economy and are a major challenge for heavily polluted countries like India and China, the powerhouses of global growth. There is no debate on the ill effects of the pollution on us. The results are before our eyes, in our bodies and on the beds of hospitals. Unlike Global Warming, Environmental Pollution is yet to have a major movie title based on it. For a problem of its magnitude, awareness in the general populace is shockingly low. Most school children and even many adults are unable to quantify Environmental Pollution and Global Warming and mostly, think of the two as the same.

In simple terms, Earth can no longer sustain the number of people living this ecologically degrading type of lifestyle anymore. It is not the time of shortcuts or quick fixes. The truth is Environmental pollution is an incurable disease and with its effects evident and multiplying by every passing day. It can only be prevented by a grand scale overhaul of us all if we are to survive and not be relegated to the pages of history. Environmental pollution is a ticking time-bomb and we must hope that we may have not yet passed the point of no return.

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Green Planet

Venice Is Flooded: A Look at Our Coastal Future

Dr. Arshad M. Khan

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Authors: Arshad M. Khan and Meena Miriam Yust

If humans have been lucky, basking in the comforting warmth of an inter-glacial period for the last 10,000 years, that luck may be about to turn.  Rest assured we are not entering a glacial period.  No, our quest for greater comfort has us pumping fossil fuel residues in the air—particularly CO2—warming the earth beyond its natural trajectory.  One consequence is melting Arctic (especially Greenland) ice and coastal flooding.

Problematic as that might be, new research holds worse in store… much worse, for the Antarctic has not been a passive bystander.  It melted when the north was taking a rest allowing no let up.

The previous glacial age lasted from 125,000 to 118,000 years ago.  A paper published November 6, 2019 in Nature Communications (Vol. 10, Article # 5040) has found the Greenland ice sheet melt insufficient to explain the highs of the rise then.  In fact, it was the Antarctic ice sheet, previously thought to be inconsequential, that was key.  It turns out the Southern Ocean warmed first at the start of the inter-glacial, leading to a change in the circulation pattern of the oceans and to a warming of the northern polar areas to start the ice melt in Greenland.

Temperatures then were up to 1°C higher than now but the same has been estimated for us in the future.  However, this time climate changes on earth have been accelerated by greenhouse gas emissions over the industrial period, resulting in more extreme climate changes than in the last inter-glacial. 

The research has also revealed that ice melt caused a 10 meter sea level rise above the present level at a rate of 3 meters (about 10 feet) per century, a rate that is 10 times higher than the rise observed in the last 150 years.  If 10 ft. per century has a remote feel, try a foot every 10 years!   

This is far greater than current projections of sea level rise that anticipate an increase at the most to about 3 feet above 2000 levels by 2100.  The predictions, however, do not account for an important natural outcome of ice sheet melt, that of ice cliff instability.  The ice cliffs form as the warm water melts their ice under the water, eating away until the cliff shears off and collapses into the sea. 

The collapse is a sudden and unpredictable addition to the gradual melt in the ocean.  It also means that polar ice sheet melt can affect sea levels far more intensely than has been projected so far, and it could account at least in part for the much higher rise found by the researchers in the prior inter-glacial. Are we in for a surprise! 

If incoming solar radiation was greater in the last inter-glacial because of the earth’s position relative to the sun, the CO2 levels were lower, at 280 parts per million as opposed to 410 plus today.  Worse, in the former inter-glacial the two polar areas did not warm up simultaneously.  Today’s intensive climate change is propelled by greenhouse gases, and the warming is bipolar with the ice melting in  both polar regions at the same time. 

Another paper also published in Nature Communications a week earlier (Vol. 10, Article # 4844 October 29, 2019) examines global vulnerability to coastal flooding from rising sea levels given new metrics for measuring land elevation.  The model currently in use for this measurement, developed by NASA, has a 2 meter vertical bias.  Using a new Coastal DEM (Digital Elevation Model) and a mean estimate of sea level rise this century, the authors estimate 190 million people live below projected high tide lines at present.  This rises to 630 million by century’s end in the extreme case of high emissions.  Increase the sea level rise to 3 meters (10 feet) projected in the other paper above and a billion people could be in jeopardy.

What can one expect?  Well, the first signs of trouble will be when coastal flooding that used to happen once a decade becomes an annual event, or when unprecedented events occur.  Venice is a current example.  In a rare historic flood its iconic St. Mark’s Square is hip-deep in water.  The church itself and its priceless frescoes could be in danger if the water rises further. 

The increased coastal flooding will be gradual of course.  Our children, their children, and so on down the line will be the real innocent victims of our legacy/profligacy.  

Note:  This article appeared originally on CommonDreams.org

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Green Planet

Thirty years on, what is the Montreal Protocol doing to protect the ozone?

MD Staff

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The Montreal Protocol to protect the Earth’s ozone layer is to date the only United Nations environmental agreement to be ratified by every country in the world. It is also one of the most successful. With the parties to the Protocol having phased out 98 per cent of their ozone-depleting substances, they saved an estimated two million people from skin cancer every year.

Following the thirty-first meeting of the parties in Rome during 4–8 November, Stephanie Haysmith, the communications officer for the Ozone Secretariat, explained why the Montreal Protocol has been so successful and what lies ahead for the treaty.

The 2019 ozone hole is the smallest on record since its discovery. How does the ozone repair and how long will it take?

The Montreal Protocol has been successful in reducing ozone-depleting substances and reactive chlorine and bromine in the stratosphere. As a result, the ozone layer is showing the first signs of recovery. It is expected that the ozone layer will return to pre-1980s levels by the middle of the century and the Antarctic ozone hole by around 2060s. This is because once released, ozone-depleting substances stay in the atmosphere for many years and continue to cause damage. The 2019 hole is indeed the smallest since recording of its size began in 1982 but the ozone is also influenced by temperature shifts and dynamics in the atmosphere through climate change. In 2019, the stratosphere was particularly warm during the Antarctic winter and spring.

The Kigali Amendment, which came into force January 2019, requires countries to limit hydrofluorocarbons in refrigerators and air-conditioners by more than 80 percent.  Yet, there is a growing demand for cooling. How can the two needs be met?

While there is a growing global demand for cooling systems for personal well-being and in the commercial sector, improving energy efficiency with low or zero global-warming-potential will be needed to meet needs while minimizing adverse impacts on climate and environment. Research and development have kept pace: equipment design has changed and improved with the ozone-depleting substances phase-out.

At the Rome meeting, parties were made aware of an unexpected increase in global emissions of trichlorofluoromethane, or CFC-11. Why is that, and what is being planned to address it?

The issue of unexpected emissions of CFC-11 was brought to the attention of the parties in 2018. Global emissions of CFC-11 had increased in the period after 2012. This unexpected trend suggests that there is illegal production and consumption of CFC-11. The exact sources of these emissions have yet to be found. The parties take this very seriously and a decision was made at the MOP30 [30th Meeting of the Parties to the Montreal Protocol] to cooperate in further scientific research. In addition, the parties will assess the mechanisms of monitoring for the Montreal Protocol and the Multilateral Fund. 

What is meant by “a sustainable cold chain” and how does it reduce food loss?

A cold chain is a connected set of temperature-controlled facilities (pack houses, cold stores, refrigerated transportation, etc.) that ensures perishable foods maintain their freshness and quality while in transit. Access to cold chain allows local producers to link with high-value markets locally, nationally and internationally. By enabling perishable food commodities to be stored and transported in a temperature-controlled environment not only ensures quality and safety, but reduces overall food loss, while improving economic gains and increasing sustainability.

From an environmental perspective, it is important that increasing demand for cold chain is sustainable with increased use of green fuels, energy efficiency and low or zero global warming potential technologies.

What do you hope the Montreal Protocol will inspire?

The Montreal Protocol is one of the world’s most successful environmental treaties and since its adoption, it has encouraged countries to commit to phasing out the production and consumption of ozone-depleting substances. The parties to the Protocol, on realizing that the alternatives, known as hydrofluorocarbons, are potent greenhouse gases contributing to global warming, agreed to address this. After protracted discussions, in 2016 the parties adopted the Kigali Amendment. The global partnership, stakeholder involvement and overall commitment of the countries lent to the success of the ozone protection regime. A successful hydrofluorocarbon phasedown is expected to avoid up to 0.4°C of global temperature rise by 2100, while continuing to protect the ozone layer.

UN Environment

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Green Planet

Consequences of U.S. formal exit from Paris climate pact: More isolation globally

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The U.S. has formally begun to exit the Paris climate agreement. Regardless of whether or not the Paris Agreement is legally binding, the U.S. has committed to cut 26-28% of its greenhouse gas emissions by 2025 from 2005 levels, and donate three billion dollars to poor countries by 2020.

 The U.S. is now the world’s second-largest emitter of greenhouse gases after China. In other words, U.S. greenhouse gas emissions in 2015 were about 7000 million metric tones, which is more than total emissions of the entire EU countries. However, the U.S. president claimed that he has decided to pull his country out of the Paris climate pact because his job is to “protect America and its citizens”. 

Commenting on the reason for withdrawing from the agreement, the U.S. president said that the pact is favorable for other countries not the United States, because it puts the country at a very big economic disadvantage. Trump also presented statistics showing that implementation of the agreement for the U.S. will result in losing 2.7 million job opportunities by 2025 as well as 440,000 industrial opportunities inside the country. The president added that this is not what the U.S. needed. This issue is not acceptable to Trump that China can continue to emit greenhouse gas for another 13 years, and India is able to continue its greenhouse gas emissions till 2020, while receiving billions of dollars.

The U.S. president also complains that his country has already donated about one billion dollar to Green Climate Fund, which is founded to help developing countries, while no other country has spent such a large sum in this field. 

Trump, despite his decision to exit the Paris Agreement, has announced that he is ready to “begin negotiations to reenter either the Paris Accord or a really entirely new transaction on terms that are fair to the United States, its businesses, its workers, its people, its taxpayers”. He also said that if they reach an accord, that will be great and if they do not, that will be fine.

 Consequences of U.S. withdrawal

It should be noted that the withdrawal from the Paris climate accord by the U.S. is not its first unconventional action toward valid international documents. After coming to the White House, in one of his first moves, Trump ordered to pull the country out of the Trans-Pacific Partnership (TPP) that was signed in 2016. The TPP is the greatest trade agreement in the world, which was signed between 12 countries around the Pacific Ocean with the exception of China, and aimed to remove trade barriers to the countries that signed the agreement. 

However, the Paris Agreement is of particular importance for the current generation and the world’s future in terms of environmental and international rights. Obviously, legal and political consequences of the Paris accord is more serious than those of the TPP. The following is the summary of the effects of the U.S. withdrawal from the Paris climate pact:

1.    U.S. political and legal isolation: the U.S. will be seriously isolated if it withdraws from the Paris accord, because besides Europeans, countries like Canada, Russia, and Asian countries such as China and Japan have signed the agreement. German Chancellor Angela Merkel and the Chinese president reaffirmed that they will be committed to the pact even after the U.S. withdrawal. 

Jean-Claude Juncker, the president of the European Commission, at a meeting in Berlin, described the U.S. withdrawal as a completely wrong move.  Juncker said that the U.S. cannot exit the agreement just like that. He added that Trump says he will exit the Paris climate pact because he is not well aware of this pact. This is while, he said, in 2015, about 200 countries signed an accord in 2015 in Paris, based on which they were committed to keep the increase in global average temperature to well below 2 °C to prevent global warming.

2.    Lack of states’ trust on the U.S. to reach an agreement on other issues: this move by Trump shows the U.S. non-compliance with international agreements that could disturb its prestige and position in the world. The move also will cause other Western partners, especially Europeans, lose their trust of the United States. Following the U.S. withdrawal from the agreement, other countries will hesitate to cooperate and sign contract with the White House on other issues. 

3.    Distrust of environmental rights: one of the important issues in legal subjects is environmental right, which is being taken into account at national and international level. The U.S. withdrawal from the pact means disregard to international documents related to environmental rights. This approach can be a serious threat to plans to control global warming. Furthermore, the approach indicates that the world’s second largest polluter does not pay much attention to environmental protection, which has been one of most important challenges for environmental rights in recent decades.

From our partner Tehran Times

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