Greenhouse gas concentrations hit a record high last year and increased at a faster rate than the annual average for the last decade, according to new report from the World Meteorological Organization.
The Associated Press
Both announcements came days before the start of a U.N. climate change conference in Glasgow, Scotland. Manyal activists, policymakers and scientists say the Oct. 31-Nov. 12 event, known as COP26 for short, marks an important and even crucial opportunity for concrete commitments to the targets set out in the 2015 Paris climate accord.
The report draws on information collected by a network that monitors the amount of greenhouse gases that remain in the atmosphere after some quantities are absorbed by oceans and the biosphere. Oksana Tarasova, chief of WMO's atmospheric and environment research division, said the results showing the Amazon going from sink to source were a first, but he noted they were from a specific southeastern portion of the Amazon, not the entire rainforest.
“Such an increase, unless changed quickly, may lead to a temperature rise of about 2.7C by the end of the century,” the U.N. said. And Alok Sharma, who will preside over the U.N. talks in Glasgow, said progress had been made since the Paris deal was struck in 2015, when projections of existing emissions cuts pointed to warming of up to 4C.
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