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Carbon dioxide levels hit new record; COVID impact ‘a tiny blip’

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Levels of carbon dioxide (CO2) in the atmosphere hit a new record of 410.5 parts per million in 2019, and are expected to keep rising this year, the World Meteorological Organization (WMO) said in its annual Greenhouse Gas Bulletin on Monday.  

“We breached the global threshold of 400 parts per million in 2015. And just four years later, we crossed 410 ppm. Such a rate of increase has never been seen in the history of our records. The lockdown-related fall in emissions is just a tiny blip on the long-term graph. We need a sustained flattening of the curve”, WMO Secretary-General Petteri Taalas said in a statement.  

Reduced activity associated with COVID-19 lockdowns is expected to cut carbon emissions by 4-7 per cent this year, Professor Taalas said.    

Oksana Tarasova, WMO Chief of Atmospheric and Environment Research Division, told a news conference in Geneva that although it looked like the pandemic had brought the world to a standstill, carbon emissions had continued almost unabated because lockdowns only reduced mobility, not overall energy consumption.   

Steadily rising 

She compared to the carbon levels in the atmosphere to a bathtub that was filling up more and more every year, and even a single drop of carbon would cause the level to rise. The COVID-related lockdowns were equivalent to just slightly reducing the flow from the tap, she said.   

“The CO2 which we have now in the atmosphere is accumulated since 1750, so it’s every single bit which we put in the atmosphere since that time that actually forms the current concentration. It’s not what happened today or yesterday, it’s the whole history of the human economic and human development, which actually leads us to this global level of 410”, Dr. Tarasova said.  

CO2 levels rose by 2.6 ppm in 2019, faster than the average rate for the last ten years, which was 2.37 ppm, and are now 48 per cent higher than the pre-industrial level.   

Professor Taalas said that in order to meet the goals of the 2015 Paris Agreement, in which governments pledged to try to stop temperatures rising by more than 1.5 degrees Celsius above pre-industrial levels, the world needed to switch from coal, oil and gas-fired energy towards solar, wind, hydropower and nuclear power, as well as adopting less-polluting modes of transport, including electric vehicles, biofuels, hydrogen and bicycles.  

Carbon commitments 

He said it was good news that a growing number of countries had committed to reaching carbon neutrality by 2050, which was required to meet the 1.5 degree target.   

“So far we have 50 per cent of the global emissions which are coming from China, European Union and Japan and South Korea, and also 50 per cent of the global GDP behind this”, he declared.  

“And if the US with the Biden administration will have the same target that would mean we would have the majority of our emissions and also the majority of the global economy behind such a target. And we should bend this emissions growth curve in the coming five years, and then we should start seeing drops of the emissions of the order of six per cent per year until 2050 to reach that target.”  

Election pledge  

He said US President-elect Joe Biden had indicated during his election campaign that he would initiate a big financial stimulus for carbon-friendly technologies.   

“We are talking about a couple of trillion. And then he has indicated that he would like to have the same aim as many others, to become carbon neutral by 2050, and of course that would be good news globally, and it might have the domino effect that it might motivate also some other countries to join this kind of movement.” 

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‘No time to lose’ curbing greenhouse gases

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Last year, heat-trapping greenhouse gases reached a new record, surging above the planet’s 2011-2020 average, and has continued in 2021, according to a new report published on Monday by the UN weather agency.

The World Meteorological Organization (WMO) Greenhouse Gas Bulletin contains a “stark, scientific message” for climate change negotiations at the upcoming UN climate conference, known as COP26, in Glasgow, said Petteri Taalas, head of the UN agency.

“At the current rate of increase in greenhouse gas concentrations, we will see a temperature increase by the end of this century far in excess of the Paris Agreement targets of 1.5 to 2 degrees Celsius above pre-industrial levels”, he explained. “We are way off track.”

Emissions rising

Concentration of carbon dioxide (CO2) in 2020 was 149 per cent above the pre-industrial level; methane, 262 per cent; and nitrous oxide, 123 per cent, compared to the point when human activitity began to be a destabilizing factor.

And although the coronavirus-driven economic slowdown sparked a temporary decline in new emissions, it has had no discernible impact on the atmospheric levels of greenhouse gases or their growth rates.

As emissions continue, so too will rising global temperatures, the report maintained.

Moreover, given the long life of CO2, the current temperature level will persist for decades, even if emissions are rapidly reduced to net zero.

From intense heat and rainfall to sea-level rise and ocean acidification, rising temperatures will be accompanied by more weather extremes – all with far-reaching socioeconomic impacts.

“The last time the Earth experienced a comparable concentration of CO2 was three to five million years ago, when the temperature was 2-3°C warmer and sea level was 10-20 meters higher than now”, stated the WMO chief. “But there weren’t 7.8 billion people then”, he reminded.

Lingering CO2

Roughly half of today’s human-emitted CO2 remains in the atmosphere and the other half is absorbed by oceans and land ecosystems, the Bulletin flagged.

At the same time, the capacity of land ecosystems and oceans to absorb emissions may become a less effective buffer against temperature increases in the future.

Meanwhile, many countries are currently setting carbon neutral targets amidst the hope that COP26 will see a dramatic increase in commitments.

“We need to transform our commitment into action that will have an impact of the gases that drive climate change. We need to revisit our industrial, energy and transport systems and whole way of life”, said the WMO official. 

The needed changes are economically affordable and technically possible“, he assured. “There is no time to lose”.

Battling emissions

CO2 is the single most important greenhouse gas and has “major negative repercussions for our daily lives and well-being, for the state of our planet and for the future of our children and grandchildren”, argued the WMO chief.

Carbon sinks are vital regulators of climate change because they remove one-quarter of the CO2 that humans release into the atmosphere.

Nitrous Oxide is both a powerful greenhouse gas and ozone depleting chemical that is emitted into the atmosphere from both natural and anthropogenic sources, including oceans, soils, biomass burning, fertilizer use and various industrial processes.

Multiple co-benefits of reducing methane, whose gas remains in the atmosphere for about a decade, could support the Paris Agreement and help to reach many Sustainable Development Goals (SDGs), said the Bulletin.

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Landmark decision gives legal teeth to protect environmental defenders

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A 46-strong group of countries across the wider European region has agreed to establish a new legally binding mechanism that would protect environmental defenders, the UN Economic Commission for Europe (UNECE) said on Friday.

“I remain deeply concerned by the targeting of environmental activists”, said Secretary-General Antonio Guterres, welcoming the rapid response mechanism as “an important contribution to help advance my Call to Action for Human Rights”. 

The agreement will delegate setting up the new mechanism to the United Nations, or another international body.

As the first ever internationally-agreed tool to safeguard environmental defenders, it marks an important step in upholding the universal right to a clean, healthy and sustainable environment – as recognized by the Human Rights Council earlier this month

“Twenty years ago, the Aarhus Convention entered into force, bridging the gap between human and environmental rights.

Today, as the devastating effects of climate change continue to ravage the world, the Convention’s core purpose – of allowing people to protect their wellbeing and that of future generations – has never been more critical”, spelled out the UN chief. 

A protective eye

The agreement to establish the mechanism was adopted on Thursday by the Meeting of the Parties to the Convention on Access to Information, Public Participation in Decision-Making and Access to Justice in Environmental Matters, known as the Aarhus Convention. 

“This landmark decision is a clear signal to environmental defenders that they will not be left unprotected”, said UNECE chief Olga Algayerova.

“It demonstrates a new level of commitment to upholding the public’s rights under the Aarhus Convention, as well as Parties’ willingness to respond effectively to grave and real-time challenges seen in the Convention’s implementation on the ground”.   

Vital defence

Whether it is groups protesting the construction of a dangerous dam or individuals speaking out against harmful agricultural practices in their local community, these activists are vital to environmental preservation across the globe, said the UNECE.

The Aarhus Convention ensures that those exercising their rights in conformity with the provisions of the Convention shall not be penalized, persecuted or harassed in any way for their involvement.

As such, the mechanism will establish a Special Rapporteur – or independent rights expert – who will quickly respond to alleged violations and take measures to protect those experiencing or under imminent threat of penalization, persecution, or harassment for seeking to exercise their rights under the Convention.  

As time is of the essence to buttress the safety of environmental defenders, any member of the public, secretariat or Party to the Aarhus Convention, will be able to submit a confidential complaint to the Special Rapporteur, even before other legal remedies have been exhausted.   

Defenders targeted

Although it is crucial for environmental defenders to confidently exercise their rights, cases have been reported in which instead, they face being fired, heavy fines, criminalization, detention, violence, and even death. 

Moreover, incidents of harassment and violence against environmental defenders are far from uncommon

A report to the Human Rights Council by Mary Lawlor, Special Rapporteur on the situation of human rights defenders, found that one-in-two human rights defenders who were killed in 2019 had been working with communities around issues of land, environment, impacts of business activities, poverty and rights of indigenous peoples, Afrodescendants and other minorities.  

Since January 2017, among the Parties to the Aarhus Convention, incidents of persecution, penalization and harassment of environmental defenders have been reported in 16 countries

In contrast to current existing initiatives, which mainly rely on applying political pressure through the media, the Aarhus Convention’s rapid response mechanism will be built on a binding legal framework, giving it much greater powers to act.

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Plastic pollution on course to double by 2030

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Plastic pollution in oceans and other bodies of water continues to grow sharply and could more than double by 2030, according to an assessment released on Thursday by the UN Environment Programme (UNEP). 

The report highlights dire consequences for health, the economy, biodiversity and the climate. It also says a drastic reduction in unnecessary, avoidable and problematic plastic, is crucial to addressing the global pollution crisis overall.  

To help reduce plastic waste at the needed scale, it proposes an accelerated transition from fossil fuels to renewable energies, the removal of subsidies and a shift towards more circular approaches towards reduction. 

Titled From Pollution to Solution: a global assessment of marine litter and plastic pollution, the report shows that there is a growing threat, across all ecosystems, from source to sea. 

Solutions to hand 

But it also shows that there is the know-how to reverse the mounting crisis, provided the political will is there, and urgent action is taken. 

The document is being released 10 days ahead of the start of the crucial UN Climate Conference, COP26, stressing that plastics are a climate problem as well.  

For example, in 2015, greenhouse gas emissions from plastics were 1.7 gigatonnes of CO2 equivalent; by 2050, they’re projected to increase to approximately 6.5 gigatonnes. That number represents 15 per cent of the whole global carbon budget – the​​ amount of greenhouse gas that can be emitted, while still keeping warming within the Paris Agreement goals. 

Recycling not enough 

Addressing solutions to the problem, the authors pour cold water on the chances of recycling our way out of the plastic pollution crisis. 

They also warn against damaging alternatives, such as bio-based or biodegradable plastics, which currently pose a threat similar to conventional plastics. 

The report looks at critical market failures, such as the low price of virgin fossil fuel feedstocks (any renewable biological material that can be used directly as a fuel) compared to recycled materials, disjointed efforts in informal and formal plastic waste management, and the lack of consensus on global solutions. 

Instead, the assessment calls for the immediate reduction in plastic production and consumption, and encourages a transformation across the whole value chain. 

It also asks for investments in far more robust and effective monitoring systems to identify the sources, scale and fate of plastic. Ultimately, a shift to circular approaches and more alternatives are necessary.  

Making the case for change 

For the Executive Director of UNEP, Inger Andersen, this assessment “provides the strongest scientific argument to date for the urgency to act, and for collective action to protect and restore our oceans, from source to sea.” 

She said that a major concern is what happens with breakdown products, such as microplastics and chemical additives, which are known to be toxic and hazardous to human and wildlife health and ecosystems. 

“The speed at which ocean plastic pollution is capturing public attention is encouraging. It is vital that we use this momentum to focus on the opportunities for a clean, healthy and resilient ocean”, Ms. Andersen argued.  

Growing problem 

Currently, plastic accounts for 85 per cent of all marine litter. 

By 2040, it will nearly triple, adding 23-37 million metric tons of waste into the ocean per year. This means about 50kg of plastic per meter of coastline. 

Because of this, all marine life, from plankton and shellfish; to birds, turtles and mammals; faces the grave risk of toxification, behavioral disorder, starvation and suffocation. 

The human body is similarly vulnerable. Plastics are ingested through seafood, drinks and even common salt. They also penetrate the skin and are inhaled when suspended in the air. 

In water sources, this type of pollution can cause hormonal changes, developmental disorders, reproductive abnormalities and even cancer. 

Economy 

According to the report, there are also significant consequences for the global economy. 

Globally, when accounting for impacts on tourism, fisheries and aquaculture, together with the price of projects such as clean-ups, the costs were estimated to be six to 19 billion dollars per year, during 2018. 

By 2040, there could be a $100 billion annual financial risk for businesses if governments require them to cover waste management costs. It can also lead to a rise in illegal domestic and international waste disposal. 

The report will inform discussions at the UN Environment Assembly in 2022, where countries will come together to decide a way forward for more global cooperation. 

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