Solar power produces, per unit of energy, only about one-tenth as much carbon dioxide and other harmful emissions as does conventional power generation, a new study shows.
Solar panels don’t release harmful gases during use, but making the solar cells does consume materials and energy-mainly from conventional power sources such as coal-fired power plants, which in [...]

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If we could extract all the geothermal energy that exists underneath the United States to a depth of two miles, it would supply America’s power demands (at the current rate of usage) for the next 30,000 years. Getting at all that energy is not feasible — there are technological and economic impediments — but drawing [...]

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While Projects in U.S. Stall, Europe’s Utilities Expand Their Reach….
In the U.S., more wind power was installed last year than in any country in the world — 2,454 megawatts, or more than the equivalent of two nuclear reactors. Despite the recent action, the U.S. still lags behind other countries that have spent decades nurturing wind [...]

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More reasons to build better and how to do it
There’s an incredible amount of airtime being given to green, and I hear many questions being asked about whether it’s a load of hype or whether it has legs to stick around. I believe it will become mainstream, but the question is when.
The need for greener [...]

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For many people in Germany and beyond, Freiburg stands as a vision for a more environment-friendly future. The picturesque city of 200,000 people in Germany’s south-west is a magnet for visitors interested in finding practical answers to the questions posed by climate change, says Dieter Salomon, the city’s mayor.
“We have delegations from Japan, South [...]

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