According to a new report, unless more is done to combat climate change, extreme weather like the drought now gripping California will only grow more common. Marcio Jose Sanchez/AP hide caption

itoggle caption Marcio Jose Sanchez/AP

This Vivace "no-kill" caviar was harvested from a Siberian sturgeon via a massage-based technique. The fish didn't die. But did the taste survive? Alastair Bland for NPR hide caption

itoggle caption Alastair Bland for NPR

Fox Ranch, outside Yuma County, Colo., is a 14,000-acre nature preserve and working cattle ranch owned by The Nature Conservancy. The ranch is an experiment in planned grazing, which aims to improve soil health and help ranchers' bottom lines. Luke Runyon/Harvest Public Media hide caption

itoggle caption Luke Runyon/Harvest Public Media

Scott Pegau, a scientist at the Prince William Sound Science Center, studies the effects of spilled oil on the environment in Cordova, Alaska. Debbie Elliott/NPR hide caption

itoggle caption Debbie Elliott/NPR

Pacific Or Bust: Fingerling Chinook salmon are dumped into a holding pen Tuesday as they are transferred from a truck into the Sacramento River in Rio Vista, Calif. From here, they'll be towed downstream for a bit, then make their own way out to the Pacific Ocean. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

A tall, rubbery weed with golden flowers Dalmatian toadflax is encroaching on grasslands in 32 U.S. states. pverdonk/Flickr hide caption

itoggle caption pverdonk/Flickr