Something is happening in the Delaware River watershed, something important and inspiring. Yesterday over 100 people from dozens of New York, New Jersey, Pennsylvania and Delaware groups joined together in one of the most empowering …
a company called Eta Devices, which spun out of MIT, has figured out how to make your phone's power amplifier much more efficient.
This dimmer switch smiles when the lights are off and frowns when they're on.
Increased access to energy seems responsible for much of the economic growth of the last two centuries. That raises an unsettling question about future growth.
The country's 100 million lighted exit signs use 30 to 35 billion kilowatt-hours of electricity every year
A new report crunched the numbers on your Spotify habit and concluded that it's terrible for energy consumption.
Remember when cars used to give off disgusting clouds of lead-laden smoke? Planes still do that. Some of them do, at least — in particular, those nasty little planes that rich people fly because car …
Yes, it is awesome the Curiosity rover can Instagram Mars pics back to Earth from 50 million miles away. But ultimately, one goal of all this space exploration is to have another place to go …
By next week, the tiny island nation Tokelau will be the first solar-powered country in the world.
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.