Δευτέρα, 7 Νοεμβρίου 2016

Global Warming - Natural vs. Manmade Causes Compared By NASA | Video

When you compare possible natural causes (orbital, solar and volcanic activity) over the course of the last 100+ years, to manmade causes (aerosols, deforestation and greenhouses gases), the winner is clear.

via Live Science http://ift.tt/2fa6iwq

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