Joe Biden will become the first sitting U.S. president to visit the Amazon rainforest on Sunday as he flags the dangers of global warming often dismissed by Donald Trump, who enters the White House in January vowing to scrap measures to fight climate change.

The U.S. antitrust watchdogs that pounced on Big Tech and deterred dealmaking throughout corporate America during President Joe Biden’s administration may be tamer and kept on a shorter leash by President-elect Donald Trump after he returns to the White House next year.

President Joe Biden and his Chinese counterpart, Xi Jinping, closed the book on their diplomatic relationship Saturday, meeting for a final time amid uncertainty over what the next Donald Trump presidency might portend for their two countries’ ties.

President Joe Biden met with Chinese President Xi Jinping on the sidelines of the APEC conference in Lima, Peru -- their last meeting of Biden’s presidency.

Donald J. Trump has promised a more aggressive approach, after the Biden administration worked to avoid open conflict with Beijing.

President Biden's executive actions on immigration, student loans and LGBTQ rights could be first on the chopping block once President-elect Donald Trump takes office.

"Stop playing by rules that no longer exist. At this point, it's not just spinelessness, it's complicity," the president-elect's estranged niece said.

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

The incoming Trump administration loomed over Chinese President Jinping Xi's final meeting with outgoing US president Joe Biden.