Biden Pushes Carbon Plan to World Burned by U.S. Flip-Flops

President Joe Biden pledged to cut U.S. greenhouse gas emissions in half by 2030 as he convened 40 world leaders in a virtual summit intended to demonstrate renewed American resolve to fight climate change and pressure wary nations to raise their own ambitions.

Biden announced in opening remarks for the two-day summit that the U.S. will reduce its own greenhouse gas emissions 50%-52% from 2005 levels by the end of the decade -- significantly boosting a commitment made under former President Barack Obama that was scrapped by former President Donald...