Technology

Mmmm! Doughnuts. Not-mmmm: Palm oil

Big doughnut chains use big amounts of palm oil, and they still haven't signed on to rainforest-protecting agreements

Nathanael Johnson Technology

Here’s how enviros plan to push for stronger EPA climate rules

The Sierra Club and NRDC will encourage supporters to submit positive public comments, while Greenpeace and 350.org don't have big plans to help.

Ben Adler Technology

The next front in the GMO war: Synthetic biology

A new wrinkle in bioscience could help save rainforests. Or maybe not. Let's not shut down the debate before we even have it.

Nathanael Johnson Technology

Crazy contraption turns cow poo into clean water, fertilizer, and natural gas (ahem)

A single cow produces 10,000 gallons of poop each year. That's a whole lotta Kool-Aid!

Jim Meyer Technology

This is how little it costs for states to go renewable

Renewable electricity standards are not expensive to implement, a new study finds.

John Upton Technology

Ask Umbra: What’s the most efficient way to heat and cool my house?

A reader is blowing hot and cold about HVAC systems. Umbra urges him not to vent.

Ask Umbra® Technology

How much cleaner will Obama’s climate rules make your state?

They're all getting greener, but the math is a little complicated.

Tim McDonnell Technology

Wave energy finally gets its day in the water off the Oregon coast

Reader be warned: While this story may seem swell, it is full -- not just half full, but FULL -- of watery clichés.

Jim Meyer Technology

Chicago area off the hook from climate lawsuits

An insurance company had sued Chicago-area municipalities for failing to prepare for climate change and flooding, but those suits have now been dropped.