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

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.

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

The international community reacts to President Donald Trump’s reversing U.S. policy on climate change. CNN’s Bill Weir explains.

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,

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.

United States President Donald J. Trump announced yesterday the US’ withdrawal from the 2015 Paris Agreement, the landmark international treaty aiming to limit the rise of global temperatures to 1.5 degrees Celsius.

President Donald Trump said Monday he will again withdraw the United States from the landmark Paris climate agreement, dealing a blow to worldwide efforts to combat global warming and once again distancing the U.S. from its closest allies.

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

The world’s largest economy and second-largest emitter of greenhouse gases will withdraw from the global climate pact, disrupting efforts to tackle climate change

It will fall to Rep. Elise Stefanik, Trump’s nominee for U.N. ambassador, and other diplomats to convince the world America’s words still matter.