Even at 100, San Francisco City Hall couldn't be greener
June 9, 2015, 11:25 a.m. by Matt Hickman
The palatial Beaux-Arts beauty completed in 1915 is named the oldest LEED Platinum-certified building.
Cheap wines reportedly have high levels of arsenic
March 20, 2015, 3:34 p.m. by Robin Shreeves
Should we be worried, or is it OK to keep drinking (for now)?
Mercury levels in Pacific yellowfin tuna on the rise
February 4, 2015, 11:14 a.m. by Robin Shreeves
Likely caused by pollution, levels of mercury in the fish have been on the rise steadily since 1998. You can limit your exposure by following FDA guidelines for fish consumption.
Cindy Crawford pulls kids out of Malibu school over toxin concerns
August 20, 2014, 3:20 p.m. by Michael d'Estries
Elevated levels of polychlorinated biphenyls (PCBs) in several classrooms have parents worried their children are at risk.
7 expert tips for reducing household food waste before it starts
May 7, 2014, 2:01 p.m. by Robin Shreeves
"American Wasteland" author Jonathan Bloom shares tips for the source reduction of food waste like shopping smarter and keeping foods visible.
The most common pesticide found on U.S. apples is banned in the EU
April 24, 2014, 10:40 a.m. by Robin Shreeves
The chemical’s makers can’t guarantee Diphenylamine's safety, so the EU doesn't allow its use. Here in the U.S. it’s found on 80 percent of conventional apples.
Big trucks, big changes: How new fuel rules and clever ideas are changing the industry
February 21, 2014, 10:46 a.m. by Jim Motavalli
18-wheelers are huge fuel hogs and emitters, but they'll be much cleaner under standards coming from President Obama and the EPA.
U.S. methane levels higher than thought
November 27, 2013, 11:19 a.m. by Becky Oskin, LiveScience
The difference in emission estimates stems from the variety of ways groups collect and measure methane in the atmosphere.
Former EPA administrator Lisa P. Jackson shares her story of becoming a top woman environmentalist
November 20, 2013, 8:11 p.m. by Starre Vartan
From curious kid to giving back, to advisor to Apple computers, Jackson shares her path to leadership.