Forty of the 119 countries that pledged last year to slash emissions of the powerful greenhouse gas methane will unveil their plans to do so at the UN climate summit next week, according to a senior US official.
The outlook reflects modest progress on the US-led Global Methane Pledge, an international side deal to the UN climate talks in which countries promised to reduce methane emissions 30% by 2030 from 2020 levels in a bid to tackle one of the top contributors to near-term planetary warming.
The United States, Canada and Vietnam are among the countries that will put forward details, according to the official in US President Joe Biden's administration, who asked not to be named.
Aside from the United States, it was unclear if any of the world’s other top 10 methane emitters would present plans at the summit, which takes place in Egypt from Nov. 6-18.
The world’s top two largest methane emitters, China and India, are not signatories to the pledge, and other big emitters like Brazil are not expected to have plans in time for the talks.
The plans will outline the countries' regulations, standards and investments in methane reduction and how those strategies fit into their broader climate targets under the 2015 Paris climate agreement to limit global warming to 1.5 degrees Celsius above pre-industrial levels, the US official said.
The United States, for example, is expected to tout its 2021 regulatory proposal to require oil and gas drillers to find and fix methane leaks, and release new details on how it aims to tackle emissions from small oil wells and from flaring.
To date, only 15 countries have published specific targets or detailed national strategies for slashing their methane emissions since signing on to the Global Methane Pledge at the 2021 UN climate summit in Glasgow. Those countries will be among the 40 expected to lay out details at the conference, the official said.
Scientists say sharp cuts in methane emissions from oil and gas extraction to farming and waste management will be a vital lever in tackling climate change, since methane is over 80 times more potent than carbon dioxide in the short term.
The World Meteorological Organization said last month that last year's jump in methane concentrations was the highest since records began in 1983 and came on the heels of another record-breaking year in 2020.
Meanwhile, the world saw at least two massive releases of methane from oil and gas infrastructure since last December, including from ruptures on the Nord Stream natural gas pipeline system under the Baltic Sea and a major leak from offshore oil and gas fields in Mexican waters of the Gulf of Mexico.
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