Latest Articles
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Giant Galapagos tortoises, once extinct in the wild, retake island from invasive rats
118 juvenile tortoises have been let free on Pinzon Island. And they may just survive.
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Costa Rica is turning its zoos into urban parks
The zoo's current inhabitants will be placed in forest preserves or wildlife sanctuaries.
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Follow your poop’s magical journey through the sewer
The flush is only the beginning! Your doo-doo goes on a long, strange trip that ends back in your mouth.
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Ask Umbra: What’s so bad about fracking?
A reader asks for the facts on hydraulic fracturing. Umbra drills down.
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Could utilities’ future be selling light instead of electrons?
The new business model would give utilities incentive to invest in energy efficiency.
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![from Time magazine cover, a happy couple on the beach]()
![from Time magazine cover, a happy couple on the beach]()
Time magazine catches on to the childfree movement, misses the green angle
A cover story on "The Childfree Life" recognizes the economic, social, and personal upsides to skipping parenting, but neglects to mention the environmental benefits.
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Greenhouse gas emissions explained, in seven balloons
In 2010, human activity caused 50 gigatonnes of greenhouse gas emissions. Here's how the sources compare.
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![Ground Chuck]()
![Ground Chuck]()
Where’s the (contaminated) beef?
Hold that burger: The USDA just announced the recall of "approximately 50,100 pounds of ground beef products."
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The first rule of fracking is: Don’t talk about fracking
Under the terms of their family's damage settlement with a drilling company, two kids are forbidden from talking about fracking for the rest of their lives.
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![Calvert Cliffs Nuclear Power Plant in Lusby, Md]()
![Calvert Cliffs Nuclear Power Plant in Lusby, Md]()
Big nuke company decides renewables are a better bet in the U.S.
French utility EDF is selling its stake in five American nuclear reactors, citing concerns about profits. It will focus on renewable energy instead.
