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 ...

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 ...