MSNBC All In With Chris Hayes December 31, 2021 01:55:00
On and the glacier, is that right? >> there's been a lot of confusion about this. what was recently kind of revealed is that the ice shelf, it's kind of like a fingernail that grows off the glacier itself and is floating in the ocean, is cracking up. they've found some major fissures and fractures in that ice shelf. and one of the scientists in this recent study has suggested that that ice shelf could crack up within five years, which is a very big deal in itself. but that is not what's going to raise sea levels. the ice shelf is already floating. it's like ice cubes in a glass of water. when ...