alternative energy
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Ask Umbra’s pearls of wisdom on nuclear energy
Dearest readers, Not all of your questions are as manageable to navigate as selecting local versus organic apples or how to recycle your light bulbs/baby food jars/yogurt containers/cell phones. Some are downright difficult, controversial, and ambiguous, which is frankly all the more reason to dive into these quandaries. One such pickle: nuclear energy. It’s recently […]
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Ask Umbra on globetrotting friends, thorium reactors, and more
Send your question to Umbra! Q. Dear Umbra, I have greatly cut back on my airplane trips because of my concern about global warming. However, I have groups of friends whose main conversation is about the overseas trips they have been on. When I don’t have an exotic place to talk about it seems like […]
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Ask Umbra on ditching dirty things
Send your question to Umbra! Q. Dear Umbra, What is the greenest way to dispose of pet waste? Scoop and flush, or bag and throw in the trash? Jenifer M.Vienna A. Dearest Jenifer, Flush or toss?The greenest way to dispose of pet waste is to dispose of your pet, I suppose. No pet, no waste! […]
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Feed-in tariffs — the new school of thought
As a boy growing up near the Louisiana Gulf Coast, I remember looking out of the car window at times and seeing gigantic flames over the bayous: gas flares. Around 1970, the flaring of natural gas peaked. Oil prices were so low back then that marketing gas would not have been profitable. Today, far less […]
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Gore on the Daily Show: extended dance remix
You know how sometimes Jon Stewart gets all smarmy and sycophantic when he has on a guest he actually admires? And you know how Al Gore has a reputation for being a bit stiff on occasion? Let’s just say they seemed to bring out those qualities in each other last night — or, as Stephen […]
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A little heresy on transmission
The last thing renewable energy needs right now are new transmission lines. This statement is heresy in the green community, but there’s a danger that the increasing focus of green energy advocates on a new nationwide transmission superhighway may undermine the pursuit of near-term renewable energy goals. People are excited by renewable energy. It’s clean. […]
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Why solar won’t topple in Germany
Since the new center-right coalition won the elections a few weeks ago in Germany, onlookers from the U.S. have been expecting the country to drastically cut its support for solar. Proponents of U.S.-style policies, such as tax credits and Renewable Portfolio Standards, have also been hinting that Germany will be yet another example of how […]
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An interview with solar activist Anya Schoolman
This interview is part of a series on people who are making their communities smarter, greener places to live. Got a nomination? Leave it in the comments section or send it along to us. All signs point to solar for Schoolman and her neighbors.For a while, things were looking gloomy. The founders of Washington, D.C.’s […]
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The top 10 sources for energy
Jacobson the power-ful.stanford.eduI was disappointed when I discovered that the list of experts at last week’s Clean Energy Summit would not include Stanford University’s Mark Jacobson. Of course, no individual is indispensable at such a summit. But as the day went by I felt his absence more and more keenly. That’s because Jacobson is one […]
