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 possible manmade causes (aerosols, deforestation and greenhouses gases), the winner is clear. Greenhouse gases directly correlate to an increase in Earth temperature. Credit: NASA/GSFC GISS Video Rating: / 5 They build transparent boxes, fill some … Read more