UN climate chief: pledges by big polluters boost Paris hopes

The U.N.'s climate chief says deadlines set by some of the world's top polluters to end greenhouse gas emissions, along with president-elect Joe Biden's pledge to take the United States back into the Paris accord, have boosted hopes of meeting the pact's ambitious goals.

from Phys.org - latest science and technology news stories https://ift.tt/374rWeT

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