How Arctic wildfires drive climate change. Wildfires in Alaska and northern Canada cause a quick release of carbon from trees, topsoil and permafrost, all of which would otherwise remain locked up for long periods. The trend of wildfires is rising, and likely to continue upward in response to rising temperatures and dry conditions. The continuous feedback effect that results is especially worrisome because of the very large amount of carbon stored in permafrost.
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The New Yorker magazine has a fine piece on what climate change is doing to many of the world’s most notable tourist attractions, or World Heritage sites. One of the sites is actually drawing more tourists because of climate change, Greenland’s Ilullisat Icefjord, where people are going to see how fast the glacier is melting.
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An update on what is happening with wind energy. The towers keep getting taller, and the price of electricity that is produced keeps dropping—now as low as 2 cents per kwh.
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The state of Iowa has embraced wind energy like no other. It already produces 31% of its electricity from wind and can go all the way to 100%-plus. Big corporations are locating new facilities in Iowa in order to take advantage of the cheap and dependable power. There are even claims that the turbulence from the towers helps crops to grow better down beneath.
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New York legislators aim to cut electric power emissions to zero by 2050. The goal for total emission cuts by that year is 80%, which bears the influence of all the energy that is much more difficult to control.
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When will global oil demand peak? This post from Joe Romm has some interesting information. For one, the up-front cost of electric vehicles will be falling below comparable gas guzzlers in about eight years as battery prices keep falling, and power costs will then be relatively much more favorable as well. Also, China’s demand for oil, which is the most critical factor of all, could start to decline much sooner than expected, just as that nation’s demand for coal has already reversed.
Carl