The deal was quickly denounced by leaders of the opposition Republican Party in Congress as one-sided in China's favor, and would result in higher electricity bills for average Americans.
China said it will target reductions that ensure emissions peak in 2030 at the latest, and increase the non-fossil share of energy to about 20% by around the same date.
The US announced a new target to cut net greenhouse gas emissions 26-28% below 2005 levels by 2025.
A