Climate change heats up in Davos & the fight for online free speech

Nick Brana from Extinction Rebellion discusses the issue of climate change at the World Economic Forum. RT correspondent Natasha Sweatte brings the latest on plant-eating bacteria breaking down ocean plastic. Then, online free speech is in jeopardy as members from both political parties want to end Section 230 of the 1996 Communications Decency Act. And tardigrades might not be as indestructible as they seem.