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August 12, 2013 Demand Curve

2013-08-14 18:10:59| PortlandOnline

PDF Document, 105kbCategory: Seasonal supply planning

Wisconsin behind the curve on clean energy

2013-06-03 07:30:12| Energy - Topix.net

Home to some of the last coal-fired power plants that may ever be built in the United States, Wisconsin has erected too many barriers to cleaner energy sources and fallen behind many Midwest neighbors in a sector with an 8% global growth rate.

Tags: energy clean wisconsin curve

Milestone Nears on Curve Charting the Human Imprint on the Atmosphere

2013-05-02 13:54:00| Climate Ark Climate Change & Global Warming Newsfeed

New York Times: For hundreds of thousands of years preceding the industrial revolution, the concentration of the greenhouse gas carbon dioxide in the atmosphere didnt exceed 280 parts per million. Now it is poised to pass 400 parts per million, thanks to the burst of fossil fuel combustion and forest clearing thats accompanied humanitys recent growth spurt. That shift was noticed thanks to decades of work by Charles David Keeling of the Scripps Institution of Oceanography and more recently his son Ralph. (Keelings...

Tags: the human atmosphere curve

All eyes on Keeling Curve: Scientists anxious as CO2 levels to cross 400 PPM

2013-05-01 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed

InsideClimate: For the first time in human history, concentrations of carbon dioxide in the atmosphere are expected to pass 400 parts per million across much of the Northern Hemisphere in May, according to scientists who study data from the Mauna Loa Observatory, the world's longest-running CO2 monitoring station. While crossing the 400 ppm mark isn't a "tipping point" that signals climate catastrophe, scientists told InsideClimate News, it is an important symbolic milestone that underscores government inaction...

Tags: levels cross eyes curve