Energy
Science
The US Grid Is Adding Batteries at a Much Faster Rate Than Natural Gas
By John Timmer, Ars Technica
The Big Story
The Green Economy Is Hungry for Copper—and People Are Stealing, Fighting, and Dying to Feed It
By Vince Beiser
Science
Cutting-Edge Technology Could Massively Reduce the Amount of Energy Used for Air Conditioning
By Chris Baraniuk