Monthly Archives: March 2013

Falling Gasoline Use Means United States Can Just Say No to New Pipelines and Food-to-Fuel

By Janet Larsen Freeing America from its dependence on oil from unstable parts of the world is an admirable goal, but many of the proposed solutions—including the push for more home-grown biofuels and for the construction of the new Keystone … Continue reading

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Iowa and South Dakota Approach 25 Percent Electricity from Wind in 2012: Unprecedented Contribution of Wind Power in U.S. Midwest

By J. Matthew Roney Defying conventional wisdom about the limits of wind power, in 2012 both Iowa and South Dakota generated close to one quarter of their electricity from wind farms. Wind power accounted for at least 10 percent of … Continue reading

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Where Has All the Ice Gone?

By Emily E. Adams As the earth warms, glaciers and ice sheets are melting and seas are rising. Over the last century, the global average sea level rose by 17 centimeters (7 inches). This century, as waters warm and ice … Continue reading

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