carbon dioxide

The Big Question: How do we find life outside Earth?

Scientists have repeatedly touted the possibility of turning algae into biofuels. Now a Florida-based company called Algenol is working with...

A New York startup is sequestering carbon and making fuel in an artists' warehouse

Carbon-capture technology comes on the scene

M-I-C-K-E-Y M-O-U-S-E

Last week, the owners of the Empire State Building announced they were going to turn their iconic New York landmark green — as in sustainable (the color is fine as is)

PopSci.com's guide to the vapors that are making Earth more toasty

A promising new climate-monitoring satellite is snuffed out before it reaches orbit

Researchers unveil a more efficient way to wash the air clean of carbon dioxide

PopSci experts weigh in on the important questions