The president toured the rainforest and promised Brazil funds for environmental initiatives, even as the incoming Trump administration appears poised to roll them back.

"Some may seek to deny or delay the clean energy revolution that's underway in America, but nobody — nobody — can reverse it," Biden said. But Trump has vowed to roll back those plans.

Joe Biden became the first sitting U.S. president to visit the Amazon rainforest on Sunday (November 17), flagging the dangers of global warming often dismissed by President-elect Donald Trump, who has vowed to scrap measures to fight climate change.

Chris Wright, a Denver energy company executive who denies that climate change is a pressing threat, is President-elect Trump's pick to lead the U.S. Department of Energy. Why it matters: The appointment puts Wright,

President-elect Donald Trump has selected Chris Wright, a campaign donor and fossil fuel executive, to serve as his new energy secretary.View on euronews

America’s role in international climate negotiations, as well as domestic policies, are expected to shift significantly when President-elect Donald Trump takes office.