The World Tonight

President Trump has repealed a key government scientific finding that carbon emissions endanger human health. The so-called “endangerment finding” of 2009 was the legal bedrock of efforts to rein in emissions and critics fear it is a major setback in the fight against climate change.
Also on the programme: Sir Jim Ratcliffe has apologised for "offending some people" with his language after saying the UK had been "colonised by immigrants". We discuss the importance of the language we use in politics.
And as the Berlin Film Festival opens, we speak to the director of one of the entrants, a rom-com set in Kabul.

US Attorney General Pam Bondi has been defending her department's handling of the release of millions of documents related to Jeffrey Epstein. She's been giving evidence today to a committee in the US Congress. Meanwhile, the former prime minister, Gordon Brown, has called for detectives to interview Andrew Mountbatten-Windsor about allegations that Jeffrey Epstein trafficked women and girls through the UK. The former Prince Andrew has denied any wrongdoing - or that he derived any benefit - from his association with Jeffrey Epstein.
Also in the programme: the UK Supreme Court rules the plant-based drink maker Oatly cannot use the word "milk" in its marketing; and how the latest Hollywood remake of Wuthering Heights is going down in the birthplace of its author Emily Brontë.

The Prime Minister may have won himself a reprieve after the departure of two of his top advisers, but many MPs will be looking for a radical reset of his government in order to maintain their support. But the fallout continued as two Labour figures were suspended for their association not with Jeffrey Epstein, but with a different sex offender.
Also on the programme: The founder of independent Russian news organisation Meduza on the impact of new restrictions on the messaging app Telegram.
And we speak to one of the Danes covering up statues of naked women with knitwear.

Sir Keir Starmer has told his MPs that he will not quit after the leader of his party in Scotland called on him to resign. We hear from two Labour backbenchers about the future of the party's leadership.
Also on the programme: Buckingham Palace has released a statement saying it is ready to support the police as they consider allegations against Andrew Mountbatten-Windsor.
And we travel to a field in south-west London to kick off our series about how interacting with the natural world affects our mental health.

The Winter Olympics has officially begun in Italy tonight - with, for the first time, two opening ceremonies, in Milan and in the Dolomites. One of the world's top skiers, Lindsey Vonn hopes to compete this weekend, despite badly injuring her knee ligament. We hear from another Winter Olympian why that bit of tissue is so important and speak to a British-born member of the world’s most famous bobsleigh team.
Also on the programme: A year after President Trump announced the suspension of US overseas aid, we hear about the effects on HIV treatment in South Africa
And we speak to the director of a BAFTA-nominated documentary, co-produced by Brad Pitt, looking at the influence of evangelical Christianity on far-right politics in Brazil.