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PBS show asserts greenhouse gases, atmospheric pollutants dimming future
This week, the Public Broadcasting Service aired a NOVA program titled “Dimming the Earth”, which presented research by leading scientists on the complex systems of our global climate and human activity's effect on it. One of the largest interactions (or "inputs") humans have with the atmosphere is the ever-increasing use of fossil fuels. Consumption has risen 2% per year for this decade.
High Above the Earth, Satellites Track Melting Ice
The surest sign of a warming Earth is the steady melting of its ice zones, from
disappearing sea ice in the Arctic to shrinking glaciers worldwide. Now, scientists are
using increasingly sophisticated satellite technology to measure the extent, thickness,
and height of ice, assembling an essential picture of a planet in transition.
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