Longtime Democratic aide John Podesta will take over international climate talks from former Secretary of State John Kerry. He also oversees Biden's big domestic climate incentives.
The United States looms large at the COP28 climate summit in Dubai. Historically, it's responsible for more greenhouse gas emissions than any other nation. But it's also key for major breakthroughs.
As part of covering climate change we've heard from a number of the doers. Here are a few of those innovators and influencers' thoughts and what motivated them to make a change in their communities.
China is the world's largest carbon emitter, after the U.S., producing an estimated 27% of global greenhouse gases. Kerry is in the country for talks on stronger efforts to curb rising temperatures.
John Kerry, the former secretary of state and now President Biden's special envoy for climate, is the highest-ranking U.S. official to visit Moscow since Biden took office.
One challenge facing John Kerry in his new role as climate envoy to President-elect Joe Biden will be to convince other governments the U.S. will abide by its commitments.