FIRST AIRED: July 24, 2019

Nice work! Enjoy the show!

×

You’re busy. We get it.

Stay on top of the news with our Editor’s Picks newsletter.

US Edition
Intl. Edition
Unsubscribe at any time. One click, it’s gone.

Thanks for signing up!

We've got more news

Get our editor’s daily email summary of what’s going on in the world.

US Edition
Intl. Edition
Replay Program
0:00
0:00
More Info

COMING UP:Share Opener Variant 3

×

Transcript

00:00:00
it's a natural phenomenon it comes in cycles and wait just seeing it happening again that's one of the more common arguments made by people who don't believe the pollution caused by humans is to blame for global warming , by Reuters climate correspondent Matthew green the research was carried out by teams from the university of fun Columbia University and others and they look to temperature data stretching back two thousand years they found that while it's true the climate has changed significantly in Paul centuries some of the biggest warming and cooling episodes weren't actually global phenomenon off the road but they were confined to specific geographical regions some of the pronounced cooling for example was limited to parts of the Pacific in the fifteenth century before it moved to western Europe and North America later on , they based their findings on data from almost seven hundred sources from tree rings to coral to sentiments in arctic ice cools and he is the clincher the climate change happening now to put it bluntly is truly global , teaching more than ninety eight percent of the planet , will this be enough to change the minds of skeptics be that as it may I talked to Nathan Steige a climate scientist at Columbia who co authored the study he said it provided yet more evidence that burning fossil fuels and other human activity has fundamentally changed our planet's climate