If the Senate stays under Republican control, it would likely prevent sweeping climate legislation, and progressive cabinet nominees. But there's a lot Biden could do in the executive branch.
Analysts say exiting the landmark climate agreement is not only a blow to climate action, but hinders the U.S.'s ability to participate in the economics of the future.
Pennsylvania’s House of Representatives has been controlled by the GOP for a decade. Environmentalists say to solve the climate crisis and clean up the state’s air and water, that has to change.