tisdag 27 september 2016

The Last Time Summer Was This Hot, Human Beings Hadn’t Yet Left Africa (Video) (from @Truthdig)

The Last Time Summer Was This Hot, Human Beings Hadn’t Yet Left Africa (Video) (from @Truthdig): Climate scientist Michael Mann says there is “tentative but compelling evidence” that it was hotter this summer than it has been at any point in 100,000 years.
- 2016/09/25

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