A quarter of Earth’s permafrost is expected to thaw by 2100 even if climate goals are met, which could release up to 400 billion metric tons of carbon into the air.
By Nsikan Akpan
The world needs to significantly change its use of energy resources and cut greenhouse gas emissions in order to stem rising global temperatures, according to a U.N. climate report issued Friday.
By Admin, PBS NewsHour
Changes to Earth's climate and ecosystems will hit the world's poor the hardest, according to a report released Friday by the Intergovernmental Panel on Climate Change. Two of the report's lead authors, Michael Oppenheimer and Joel Smith, discuss the science…
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