Climate In Crisis: Al Roker studies Greenland’s melting glaciers
03:59
Share this -
copied
For an NBC News series exploring the global environment, Al Roker traveled to Greenland for an eye-opening look at its record melt and heat wave. More than 400 billion tons of water have come off the ice sheet and into the ocean, an event that scientists warn could happen again.Sept. 16, 2019
UP NEXT
Woman goes into labor and graduates college on the same day
01:59
Jack Cakebread, pioneering Napa Valley winemaker, dies age 92
02:13
Why political ads demonize over inform
03:47
Jon Hamm dishes on his dream role in ‘Top Gun: Maverick’
07:26
What the 'return to office' will look like – if there ever is one
04:43
Second victim of the racist mass shooting in Buffalo laid to rest