Time-lapse Images of Glacier Loss

Professional photographer and naturalist James Balog is director of the Extreme Ice Survey and the first recipient of the International League of Conservation Photographers Award. Here, he gives a TED talk to illustrate global warming with time-lapse images of glacial ice-loss.

Arctic Ice Melt: A Video Explanation

In this short video, NASA climate scientist Tom Wagner clearly explains the recent history of arctic ice melt, and what these changes mean on a global scale. He also discusses NASA’s role in monitoring the cryosphere.

Via Treehugger

Clean Coal is an Expensive Myth

If last week’s VP debate was any indication, Senator Biden and Governor Palin didn’t get the memo on “clean coal”.  It reads something like this:  ”Coal cannot be effectively cleaned, we should invest our limited government funds (see: Bailout) in energy solutions that are environmentally safe today.”

Clean coal technology is also VERY expensive, and will have rising variable costs over time (transportation of fuel, miners’ wages, maintenance of complex cleaning systems, etc).  Compare to solar and wind energy sources, which have fewer incremental costs once built.  How much does the transportation of sun and wind cost?  ZERO!
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