President Obama's joke notwithstanding, a Commerce Department agency has the prime responsibility to protect salmon when they're in the ocean and when they swim upriver to spawn. Gary Stewart/AP hide caption

itoggle caption Gary Stewart/AP

During the 1980s, wildlife managers said striped bass like this one were overfished. Now, it appears that a weather pattern known as the Atlantic Multidecadal Oscillation may have been a contributing factor to the declines. Jay Fleming/Jay Fleming Photography hide caption

itoggle caption Jay Fleming/Jay Fleming Photography

Farmer Tim Winn, who has a farm on the banks of the Willamette River, says government scientists have concluded that there is nothing dangerous about the "Roundup Ready" version of the sugar beet crop. Dan Charles for NPR hide caption

itoggle caption Dan Charles for NPR

Ruins of the Villa of the Quintilii on the outskirts of Rome. Gregorio Borgia/AP hide caption

itoggle caption Gregorio Borgia/AP

A study finds that plants in a vast area of northern California are bucking an uphill climate change trend. David McNew/Getty Images hide caption

itoggle caption David McNew/Getty Images

A Red Flame grapefruit affected by the disease known as citrus greening, which leaves fruit sour, malformed and unusable -- and eventually kills the tree. Greg Allen/NPR hide caption

itoggle caption Greg Allen/NPR