📚 Climate Deal: US and China Join Paris Climate Accords

An anonymous Slashdot reader quotes the BBC: The US and China -- together responsible for 40% of the world's carbon emissions -- have both formally joined the Paris global climate agreement... It will only come into force legally after it is ratified by at least 55 countries, which between them produce 55% of global carbon emissions. Before China made its announcement, the 23 nations that had so far ratified the agreement accounted for just over 1% of emissions. This will put pressure on G20 nations over the weekend to move faster with their pledge to phase out subsidies to fossil fuels... There's a G20 summit starting on Sunday, and the BBC's environmental analyst reports that the accord "will just need the EU and a couple of other major polluters to cross the threshold." Its ultimate goal is to stop global temperatures from rising more than 2 degrees Celsius -- "well above the aspirational 1.5C heating that the UN accepts should really be the limit" -- though U.K. researchers report that already 2016 temperatures may be rising 1.1C above pre-industrial levels.

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