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Thoughts on everything from climate modeling to energy policy.

Europe Whets Appetite for Coal as U.S. Eschews It

Europe Whets Appetite for Coal as U.S. Eschews It

Natural gas is proving to be a formidable challenger to the dominance of coal in the U.S., but not necessarily overseas, according to two new U.S. Energy Information Administration reports released this week.… Read More

What Is America’s Most Fuel-Efficient Airline?

What Is America’s Most Fuel-Efficient Airline?

Group ranks major airlines based on fuel efficiency, but there are many unknowns about how airlines burn fuel. … Read More

You Asked, We Answered: Response to 2013 Cars Report

You Asked, We Answered: Response to 2013 Cars Report

In the month since we released our report, A Roadmap to Climate Friendly Cars: 2013 we have received many good questions and insightful comments from readers. Thank you to everyone who has taken time to give us feedback on our report. We especially appreciate those who recognized the inherent challenges involved in carrying out and presenting l… Read More

Wind Power Has its Limits, But It’s Not the Sky

Wind Power Has its Limits, But It’s Not the Sky

Scientists have been thinking hard about the limits of wind power — and their thoughts have turned into a paper just published in Nature Climate Change. In principle, they argue, the very existence of wind turbines could slow the planet’s winds to the point where they couldn’t generate any more energy. In practice, fortunately, that… Read More

Heat and Drought Pose Risks for Nuclear Power Plants

Heat and Drought Pose Risks for Nuclear Power Plants

Like coal-fired power plants, nuclear facilities use large amounts of water for cooling purposes. After water has cycled through the plant, it is discharged back into a nearby waterway, usually a lake or a river, at a higher temperature. … Read More

U.S. Falls Short in Global Energy Efficiency Rankings

U.S. Falls Short in Global Energy Efficiency Rankings

The nonprofit American Council for an Energy Efficient Economy (ACEEE) released a report this week ranking the top 12 global economies in terms of their energy efficiency. The U.S. was 9th, trailing not only the United Kingdom, which ranked 1st, but also behind the European Union and China.… Read More

Fukushima Disaster ‘Man-Made’ and ‘Avoidable’

Fukushima Disaster ‘Man-Made’ and ‘Avoidable’

Despite having knowledge of the damage an earthquake and tsunami could cause five years before the 2011 disaster, Tepco and nuclear regulators still did not take necessary precautions. The report said, “there were many opportunities for taking preventative measures before March 11. The accidents occurred because Tepco did not take these measures¬Ě a… Read More

Arctic Offshore Oil Exploration Could Be Imminent

Arctic Offshore Oil Exploration Could Be Imminent

According to Interior Secretary Ken Salazar, off-shore oil exploration in Alaska could be imminent. According to the New York Times, Salazar indicated that Shell would most likely get to start off-shore exploration near Alaska’s North Slope this summer, once they jump a few more hurdles. “If Shell meets our standards and passes our inspections … Read More