Top Emitters Vow New Climate Action in US-China Breakthrough (1)

The US and China, the world’s biggest polluters, vowed to step up joint action to tackle climate change in a revival of collaboration that’s likely to offer crucial momentum for UN talks in Dubai opening later this month.

Both nations will back global efforts to triple renewable energy capacity by 2030, accelerate the domestic buildout of green power to replace coal, oil and gas, and advance cooperation to limit emissions of nitrous oxide and methane, two particularly pernicious greenhouse gases, the US State Department and China’s Ministry of Ecology and Environment said in identical statements.

Future emissions-cutting pledges under ...