Genetically modified rice plants are shown in a lab in 2006. A new report from Pew Research shows a wide gap between perceptions of safety of GM foods between scientists and the general public. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

Environmental groups cited Wendy's as "Poor" in the area of packaging sustainability. One reason is that the chain still uses black plastic bowls, which cannot be recycled. Lynne Sladky/AP hide caption

itoggle caption Lynne Sladky/AP

Senate Majority Leader Mitch McConnell, R-Ky., prepares to speak to the media Thursday before the Senate voted to approve the Keystone XL pipeline. Jim Lo Scalzo /EPA /Landov hide caption

itoggle caption Jim Lo Scalzo /EPA /Landov

Clean Water Services held a brewing competition in Sept. 2014, inviting 13 homebrewers to make beer from its purified wastewater (as well as water from other sources). Now the company is asking the state for permission for brewers to use its wastewater product exclusively to make beer. /Courtesy of Clean Water Services hide caption

itoggle caption /Courtesy of Clean Water Services

The California Aqueduct carries water from the Sierra Nevada Mountains to Southern California. It is one of four aqueducts in the region that glide across the San Andreas Fault. David McNew/Getty Images hide caption

itoggle caption David McNew/Getty Images

Seattle garbage collector Anousone Sadettanh empties a small residential garbage bin into his truck in 2014. It is now illegal to toss out food with the trash in the city. Residents will get warning tags for now; the city will start imposing fines in July. Elaine Thompson/AP hide caption

itoggle caption Elaine Thompson/AP

A polar bear walks in the Arctic National Wildlife Refuge.The Obama administration is proposing new protections in the region that would ban mining and drilling. Subhankar Banerjee/AP hide caption

itoggle caption Subhankar Banerjee/AP