100
Heat records are being broken across the globe. But what's driving temperatures so high? | CNN
(edition.cnn.com)
From Article:
The planet is setting new records for high temperatures. CNN's Laila Harrak talks to Bob Ward of the Grantham Research Institute on Climate Change and the Environment about what's driving this year's record heat.
It's the average temperature across the globe as far as I know. And it has never been this high before.