Push to reduce methane emissions as the UN frets over weak 2030 targets

Push to reduce methane emissions as the UN frets over weak 2030 targets | Nick O'Malley

17/09/2021 11:31:00 AM

Push to reduce methane emissions as the UN frets over weak 2030 targets | Nick O'Malley

The United States and the European Union are expected to announce a goal of reducing methane emissions, a far more potent greenhouse gas than carbon dioxide, by a third by 2030 and push other countries to join them in the effort.

As Europe and the US shift from coal to natural gas – which is largely methane – for energy production, emissions have increased rapidly, he said.Methane emissions are decreasing from the Australian agriculture sector, but increasing from the expanding natural gas export industry.

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When burnt for energy, methane produces around a third of the amount of carbon dioxide that coal does to create the same amount of electricity. But when it escapes or is vented during transport and production processes it has 86 times the warming effect of carbon dioxide when averaged over 20 years.

LoadingThe US and EU have agreed to aim to cut methane emissions by around a third of 2020 levels by the end of this decade and will ask other major economies to join them via a Global Methane Pledge according to draft documents seen by Reuters.Bryce Kelly, an associate professor in environmental science who specialises in the measurement of greenhouse gas emissions at the University of NSW, said that last year saw the steepest increase in methane emissions since 1984. The cause is not yet fully understood, but is thought to include increasing agriculture and gas use. Reducing methane emissions by a significant amount is technically feasible but would take a significant shift in economic and industrial practices, he said. headtopics.com

“We have to be aggressive about reducing methane. This announcement [by the US and EU] is fantastic news.”AdvertisementThe pact comes as the world prepares for COP26 climate talks in Glasgow where the United Nations will push for leaders to commit to 2030 emissions reductions targets that would put the world on track to keep warming as close to 1.5 degrees as possible, as agreed to during talks in Paris in 2015.

Methane emissions from an abandoned well near Paicines, California are measured.Credit:Rob Jackson, Stanford UniversityOvernight the UN was expected to release an assessment of 2030 targets, known as Nationally Determined Contributions, showing that they are still mostly insufficient and in some cases getting worse.

Former Executive Secretary of the UN Framework Convention on Climate Change Christiana Figueres said world commitments must add up to 50 per cent reductions by 2030 to be on track to meet Paris commitments, and that this required transformative action.

So far, Australia is standing by its commitment to reduce emissions by 26 to 28 per cent on 2005 levels by 2030.China, India, Saudi Arabia and Turkey, which are collectively responsible for 33 per cent of global greenhouse gases, are yet to submit updated NDCs, according to an assessment released by Climate Analytics. headtopics.com

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Brazil and Mexico have submitted plans that would allow higher emissions compared to their previous targets and Russia has submitted a target that would actually allow higher emissions than its current “business-as-usual” trajectory.Argentina, Canada, the European Union, United Kingdom and the United States have strengthened their 2030 emission reduction targets – but only the UK’s is rated as 1.5C compliant, according to new analysis published this week by

LoadingMs Figueres said governments were failing in their responsibility to protect their citizens from global warming.“That is precisely the promise 195 countries made to the world’s peoples. Now science is shouting from the rooftops that it’s time to level up actions in an order of magnitude sufficient to the challenge.

“That means policies that add up to 50 per cent cuts in global emissions by 2030, as well as decisive action to protect and restore nature.“All other geopolitical issues will fade into irrelevance if we fail to rise to the existential challenge that climate change presents. COP26 is almost upon us and there is still time for governments to contribute more to the necessary solutions.”

Read more: The Sydney Morning Herald »

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