The US Could Run Exclusively on Renewable Energy By 2050

There are many things holding up the US’s move towards renewable energy, but one of those things is not science: We already have all the technology we need to make this happen. A new study claims that a completely clean energy future is possible by 2050, and it plots roadmaps for all 50 states to achieve this goal. » 6/10/15 5:00pm 6/10/15 5:00pm

Tesla's Gigafactory Isn't Big Enough to Make Its Preordered Batteries

As Elon Musk revealed in an earnings call earlier this week, people preordered a shit-ton of Tesla’s new batteries: Over 50,000 Powerwall units were reserved. Now some interesting math, courtesy of Bloomberg: The five million square-foot Gigafactory planned outside of Reno probably isn’t big enough to make them all. » 5/08/15 1:27pm 5/08/15 1:27pm

Tesla's New Battery Could Solve One of Solar Power's Biggest Problems

So far, specific details are thin on the new battery designed for home use that Tesla’s announcing next week. But just based on what we do know, it’s a pretty big deal. The quest for a good battery that can store home-generated power is kind of like the holy grail for a renewable energy future. This one product might… » 4/23/15 9:45am 4/23/15 9:45am

Helsinki Blasted Out an Underground Lake To Water-Cool Its Buildings

If you've visited Helsinki, you've probably spent time in its leafy Esplanade Park at the center of the city. Now Helsinki has turned the ground below the park into a subterranean lake which can keep buildings and other civic operations cool as part of a growing network that replaces traditional air conditioning… » 9/08/14 1:34pm 9/08/14 1:34pm