President Donald Trump on his first day in office again withdrew the U.S. from a landmark global pact to fight climate change. So what is the Paris Agreement? And what happens to it now?

Brazil warned Tuesday that US President Donald Trump's decision to withdraw from the Paris climate agreement would have a major impact on COP30 talks to be held in the Amazon in November. "We are all still analyzing President Trump's decisions,

Last year was the hottest on record and the first to breach a key global warming threshold of 1.5C above pre-industrial temperatures.