Trump signed an executive order that begins the process of withdrawing from the Paris Climate Agreement, which he also did during his first term.

Trump’s day-one actions on energy come as climate change-fueled fires ravage Southern California, following the globe’s hottest year on record.

When Trump announced the U.S. withdrawal from the climate agreement in 2017, the move reverberated around the globe. Nearly 200 nations had committed to reducing greenhouse gas emissions under the pact when it was created in 2015, and they had set ambitious targets to keep global temperature rise well below 2°C, and ideally below 1.5°C.

This marks the second time Bloomberg, the former mayor of New York, has stepped in to fill the gap left by U.S. federal disengagement.

President Trump signed an executive order Monday evening officially beginning the withdrawal of the U.S. from the Paris Climate Agreement. The newly inaugurated president signed the order at an inauguration event at Washington’s Capital One arena,

The White House announces a "national energy emergency" to reverse US climate regulations and boost oil and gas.

President Trump again withdrew the U.S. from the Paris Climate Agreement, a worldwide pact that aims to fight global warming. CBS News national environmental correspondent David Schechter reports on the move and its impact.

President Donald Trump has signed an executive order directing the United States to again withdraw the United States from the landmark Paris climate agreement.

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The announcement that Bloomberg will provide funding to the UN comes after Trump said US should end financial commitments under the UNFCCC

Donald Trump signed key executive orders, including the US exit from the World Health Organisation (WHO) and the Paris Agreement on Climate Change.