Now playing Next USA Venus may have been habitable for 3 billion years, before mysterious climate shift Venus may be a hellish world now, but it's believed that the planet may have once been temperate, with shallow oceans on its surface. 24/09/2019
Now playing Next World News Climate targets need to be 'five times more ambitious': scientists Scientists present new report on climate change effects ahead of UN summit. 22/09/2019
Now playing Next Switzerland Like Iceland, Switzerland to hold 'funeral' for lost glacier The Pizol "has lost so much substance that from a scientific perspective it is no longer a glacier." 22/09/2019
Now playing Next USA What we know — and don't know — about the Trump-whistleblower story First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter. 20/09/2019
Now playing Next USA Mysterious 'alien megastructure' star may not be so special after all Astronomers found more than a dozen stars that display similarly mystifying behavior. 19/09/2019
Now playing Next USA Green new ride: 2020ers race forward with electric cars. Trump has other ideas. The candidates' proposals set up a clash with the president, who has mocked electric cars and tried to deregulate the industry to allow vehicles to pollute more. 19/09/2019
Now playing Next World News How summer 2019 hurt the Arctic, the frontline of climate change Unprecedented wildfires, a record melt of the sea ice and some more extreme weather episodes have marked the 2019 summer season in the Arctic Circle. It was on a par or worse than the 2012 record melt and heat levels, showing that the North Pole is the frontline of the global climate crisis. 18/09/2019
Now playing Next Angola Angola's Malanje Province: a tourism bonanza waiting for investment In partnership with aipex From a spectacular waterfall which rivals Victoria Falls to parkland with the majestic Giant Sable Antelope, Angola’s Malanje Province has plenty to offer tourists and investors alike. 18/09/2019
Now playing Next USA My night stranded at one of Greenland's fastest-melting glaciers I was reporting on climate change at a glacier. Then I got stuck there. 17/09/2019
Now playing Next Living Black is back in for fashion funeral Action group, Extinction Rebellion has held a funeral for fashion outside the final events of London Fashion Week. 17/09/2019
Now playing Next USA Sudanese tribes sign peace deal after deadly clashes in Port Sudan Sunday's deal was signed after General Mohamed Hamdan Dagalo threatened to expel both sides from the country if they refused to commit to reconciliation. 08/09/2019
Now playing Next France 'People don't know the rules': Lime France on the e-scooter problem Critics claim they're a real menace to society and an eyesore as they're often carelessly parked or end up being abandoned. 05/09/2019
Now playing Next World European Union member states make preparations for No Deal Brexit As the European Union steps up contingency plans for a No Deal Brexit, individual member states are also taking steps to deal with the possible fall out. 05/09/2019
Now playing Next Yemen France, UK & US 'may be held responsible for Yemen war crimes' A panel of UN experts found that all sides of the Yemeni conflict have committed war crimes and said that third states providing aid or assistance could be complicit. 04/09/2019
Now playing Next USA What the 'Green New Deal' is, and how it would work See what each candidate has to say on climate change and the environment. 03/09/2019
Now playing Next USA Joe Biden says Trump has 'no intestinal fortitude' on guns, sees 'no compromise' with McConnell McConnell is "not going to agree ... so we just have to beat him, flat out beat him," Biden said. 02/09/2019
Now playing Next World Australia downgrades Great Barrier Reef's outlook to "very poor" Rising sea temperatures and heavy industry are being blamed for the rapid loss of marine life. 30/08/2019