Latest Articles
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Busting 4 myths about solar PV vs. concentrating solar
Although both produce electricity from the sun, there are significant differences between solar photovoltaics (PV) and concentrating solar thermal electricity generation. This guide provides answers to the most pressing questions about the two solar technologies. 1. Isn’t concentrating solar power cheaper? No. Five years ago, the two technologies were relatively comparable, but in 2011 there’s […]
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Social network for mass transit almost redeems social networks
Photo: Sveter SveterMan, what did we do before we had smartphones to answer all of life’s questions? Wracking your brains to remember who played Chunk in “The Goonies”? You can haul out IMDB at the bar. Wondering where to go for dinner? There are apps to tell you the best place within walking distance of […]
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Life under the leadership of budget axe-man Hal Rogers
In case you haven’t heard, dozens of proposed amendments to the House Budget Bill would strip EPA of funding to update and enforce safeguards for mountaintop-removal mines, coal ash storage ponds, and emissions of hazardous air pollutants from coal-fired power plants. If these amendments are approved, House Republicans would successfully turn back the clock on […]
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Let’s keep the ‘clean’ in the Clean Air Act
You don’t want to disappoint these kids.Photo: Sean Suddes/Sierra ClubChildren’s health won’t be improved by the Republicans’ Dirty Air Act. From Seattle to Pittsburgh, children can be found outside, playing football and baseball, or just playing a good game of tag. However, hundreds of thousands of children are unable to take part because the air […]
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Aspartame is not the only thing in diet cola that can kill you
What evil lurks in that can of refreshment?Photo: Jeff GoldenTurns out, it’s not just the fake sweetener in Diet Pepsi and Diet Coke that might cause cancer; it’s also the coloring agent. The cans these beverages come in aren’t so healthy, either. Modern-day commercial colas (both diet and regular) get their characteristic dark hue from […]
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The Recovery Act: the most important energy bill in American history
If the American Recovery and Reinvestment Act (ARRA) had been an energy bill, it would arguably have been the single-most important piece of clean energy legislation in our nation’s history. It drove unprecedented new investments — both public and private — into modernizing America’s clean energy infrastructure. And its clean energy provisions alone have already […]
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Knowing what you spend on energy can cut usage by more than half
Feedback: It works for robot monkey arms and Scientology auditing, so shouldn’t it work to help you save electricity? Networking company Silver Spring Networks and Oklahoma Gas & Electric think so (and so do we). They’ve teamed up for a year-long experiment in Norman, Okla., to test smart grid solutions, allowing users to get feedback […]
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New poll: The public trusts EPA, loves the Clean Air Act, and wants Congress to butt out
That’s love.Original photo: Matt CramptonAs everyone knows by now, Republicans have launched a massive, coordinated assault on EPA, attempting to block its greenhouse gas regulations, its air and water regulations, and in some cases its very existence. In the surreal hothouse atmosphere of the Beltway, where anti-government radicals are ascendant and everybody’s watching the same […]
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Ask Umbra Book Club: How coal lit a fire under human society
Bring in the chimney sweep!Photo: Thiophene GuyDearest readers, In our last book club conversation about Bill Bryson’s At Home: A Short History of Private Life, we discussed some of the sordid history of the food we eat. Now let’s turn our attention to the way we heat. Back in the Middle Ages, people were in […]
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What is coal’s true cost?
For coal, the real costs outweigh the benefits.Photo: Andrea AbbottPaul Epstein, associate director of the Harvard Center for Health and the Global Environment, will publish a study entitled, “Full cost accounting for the life cycle of coal,” later this month. The study has 10 coauthors, including public health and environment experts. A news release explains […]
