Energy & Green Tech

In Iceland, CO2 sucked from the air is turned to rock

At the foot of an Icelandic volcano, a newly-opened plant is sucking carbon dioxide from the air and turning it to rock, locking away the main culprit behind global warming.

Energy & Green Tech

Geothermal brines could propel California's green economy

Deep beneath the surface of the Salton Sea, a shallow lake in California's Imperial County, sits an immense reserve of critical metals that, if unlocked, could power the state's green economy for years to come. These naturally ...