May 7, 2015

Amount of carbon dioxide in air keeps rising, hits milestone

Global levels of carbon dioxide, the most prevalent heat-trapping gas, have passed a daunting milestone, U.S. government scientists say. The National Oceanic and Atmospheric Administration says in March, the global monthly average for carbon dioxide hit 400.83 parts per million. That is the first ...

Tesla unveils battery to 'transform energy infrastructure'

May 1, 2015

Tesla unveils battery to 'transform energy infrastructure'

Electric car pioneer Telsa Motors on Thursday unveiled a “home battery,” which company founder Elon Musk said would help change the “entire energy infrastructure of the world.” The Tesla Powerwall can store power from solar panels or from the electricity grid at night, when ...

Apr 30, 2015

California backs 40% emissions cut

California would aggressively reduce greenhouse gas emissions by 2030 under a plan announced Wednesday that steps up the state’s previously established target, which has cut emissions partly by forcing companies to pay for their carbon pollution. Gov. Jerry Brown’s executive order is loftier than ...