German Chancellor Angela Merkel on Friday pledged "more decisive action than ever" to protect the climate after the US pullout from the landmark Paris accord.

Beijing vowed Friday to uphold the Paris climate accord after the United States withdrew from the pact, saying it was a "responsibility shouldered by China as a responsible major country".

President Donald Trump on Thursday announced America's withdrawal from the Paris climate deal, signaling a policy shift with wide-ranging repercussions for the climate and Washington's ties with the world.

All eyes were on the White House Thursday as US President Donald Trump was set to announce whether or not he will abandon a landmark global climate pact, as reports swirled about his intentions.

China will "steadfastly" implement the Paris climate pact, Premier Li Keqiang said Thursday, urging others to do likewise as US President Donald Trump was due to announce whether he will keep Washington in the deal.

Musk's move, announced on Twitter, could deepen the rift between the tech world and the Trump administration, which have been at odds over immigration and other issues.

Donald Trump has decided to pull the United States out of the Paris climate accord, US media reported Wednesday, as the president kept the world guessing -- saying an announcement will come in the "next few days."