samedi 30 septembre 2017

Sahara a man made desert?

A new paper supporting the Ruddiman Early Anthropocene hypothesis has come out as predicted.


Humans as Agents in the Termination of the African Humid Period
Quote:

Human-induced landscape pressures are as old as humanity itself. Although there is little doubt that post-Industrial anthropogenic activities have placed more global stress on the environment than for the millions of preceding years, human impacts are not concisely restricted to the post-Industrial world.
Only a matter of time before the radical climate change that exterminated the mega fauna of North America is linked to human impacts too. Australia too.


via International Skeptics Forum http://ift.tt/2fFMR0Q

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