Chinese President Xi Jinping vowed to work with President-elect Trump's administration during a meeting with President Biden in Lima, Peru, on Saturday.

Joe Biden met Chinese President Xi Jinping for the last time as US President on Saturday, as the departing administration aims to lower tensions before Donald Trump takes office in January promising a tougher line against Beijing.

Joe Biden wandered into the Amazon rainforest after giving a speech warning of the dangers of climate change. Wearing an open-necked blue shirt, dark slacks and his trademark Aviator sunglasses, the 81-year-old outgoing US president turned away from the podium and ambled into greenery.

Biden landed in Manaus, capital of the state of Amazonas, doorway to the world's largest jungle. Biden announced that under his administration, the United States has surpassed the goal of providing $11 billion per year in international climate financing in 2024 -- a key component in the fight against climate change lobbied by countries of the Global South.

US President Joe Biden will make an historic trip to the Amazon rainforest on Sunday to promote his record on fighting climate change ahead of a G20 summit overshadowed by Donald Trump's vow to roll back his green policies.