Renewable Energy

How butterflies are teaching scientists about better renewable fuels

What do the latest hydrogen fuel production technology and your tramp stamp have in common? They both take inspiration from butterfly wings.

If fossil fuel subsidies were distributed to every person, we’d each get $58/year

Every year fossil fuels get six times as much money in subsidies from the U.S. government -- i.e. you, the taxpayer -- than renewable energy.

Mesmerizing wind map is the coolest-looking weather map ever

Data visualization wizards Fernanda Viégas and Martin Wattenberg have devised a real-time map of wind speeds in the U.S., and it beats the pants off spiky cold fronts, happy suns, and whatever else they’re putting on weather maps these days. It’s simple, …

The best pro-solar billboard you’ve ever seen

This is going around Facebook today — it’s actually from 2010, made in response to a specific piece of legislation, but the message here is (pardon the pun) evergreen.

Denver zoo test-drives elephant-poop-powered vehicle

The Denver Zoo has to deal with a lot of waste. A good deal of that waste comes from visitors, but the zoo also produces hundreds of thousands of pounds of animal poo each year. Now, zoo engineers have found …

Why Germany is phasing out nuclear power

Critics are after Germany for shutting down its nuclear plants, but they are missing the point: Germans think so-called "baseload power" is incompatible with a fully renewable power system. Eliminating baseload is a feature, not a bug.

Can pond scum save you from $5 gas? [VIDEO]

Short answer: no. But algae’s moment in the sun may be just over the horizon.

Chinese cheaters? U.S. slaps modest tariffs on solar panels from China

American solar-panel manufacturers have complained that the Chinese are crushing them with underpriced, over-subsidized panels -- and now the U.S. Commerce Department officially agrees.

Soon, your toilet could heat your apartment building

Now you can dump energy waste just by, well, taking a massive dump. Green tech company OriginOil is working on a project that uses toilet wastewater as a way to heat apartment buildings. OriginOil, a start-up based in Los Angeles, …