Critics have charged that the two-year federal investigation into two researchers who wrote a famous report on drowned polar bears was a witch hunt. The probe is over, but the scientists have not been allowed to see its conclusions, their lawyer says.
When a powerful tornado slammed into Joplin, Mo., in May 2011, 161 people were killed. The tornado also knocked down thousands of buildings and destroyed more than 15,000 of the city's trees. Lack of rain is now threatening the survival of thousands of donated saplings planted to reforest Joplin.
Not every farm in the state was blessed with an aquifer for irrigation. For those that are, crops have flourished despite the drought that has stricken much of the U.S. Farmers dependent on rain, however, are stuck with devastating crop losses.
Shark fin soup is a delicacy, but consumers may not be aware they're eating threatened species. Scientists hope the methods they've devised to trace shark DNA in bowls of soup can help law enforcement officials track contraband in states where sales are illegal.
Maryland and Virginia are still in the top 20 most polluting states when it comes to power plants, according to one environmental group's rankings, but Maryland improved last year while Virginia's ranking increased.
San Antonio dramatically cut consumption and invested in water recycling and desalination projects. The city still uses about the same amount of water it did in the early '90s even though it has added more than 300,000 residents. It now bills itself as "Water's Most Resourceful City."
When you give to WAMU, your tax-deductible membership gift helps make possible award-winning programs such as Morning Edition, All Things Considered, The Diane Rehm Show, The Kojo Nnamdi Show, and other favorites.