A winner of this year's Ig Nobel Prize, the wasabi alarm is a silent but pungent way to alert people of an emergency.
The DOE’s latest round of funding focuses on finding alternatives to rare earth metals, which are found in everything from wind turbines to computer hard drives.
A 104-square-mile island off the coast of Spain is proving that solar and wind power truly can supply enough energy for the masses.
China is still considered a developing nation, but the country's CO2 emissions are set to rival the U.S. in the near future.
It can be incredibly labor-intensive to remove pests from organic farms. A company called AgriSolar aims to change that.