That means lots of changes designed to fight increasingly costly climate disasters such as wildfires, floods, droughts, storms and heat waves.
It gets rougher ahead,” said climate scientist Zeke Hausfather, climate and energy director at the Breakthrough Institute.
AdHis administration promises to reveal the goal, required by the climate agreement but nonbinding, before its Earth Day climate summit, April 22.
Getting to net zero carbon emissions midcentury means about a 43% cut from 2005 levels — the baseline the U.S. government uses — by 2030, said the Rhodium Group’s Larsen.
The U.S. can realistically reach a 40% cut by 2030, which is about one-third reduction from what 2020 U.S. carbon emissions would have been without a pandemic, said Williams, the San Francisco professor.