Restoring the River Hurricane Katrina brought the Mississippi Delta's deterioration into the public eye. Now researchers and policymakers are deciding how to restore the system. One answer seems clear: Return the delta region to a more natural ecosystem. Megan Sever
Salton Sea at a CrossroadsPrint Exclusive A century ago, California's Salton Sea did not exist. A massive flood formed the sea, which 40 years ago was teeming with life. Today, the Salton Sea has come to a crossroads, its future clouded by the certainty of diminishing inflows, the impact of climate change and the challenges posed by its tremendous scale. Michael Cohen
Urban Wetland Restoration: Creating Room to Grow Print Exclusive Before humans recognized the importance of wetlands, they were indiscriminately destroyed. Today, thanks in part to new urban restoration efforts, urban wetlands are again serving as refuges in our cities. Jenny Buening, Kathleen Hurley, Mike Johns
Available exclusively in print... Foam hushes volcano’s fury Landslide partially buries Valley of Geysers Tunnel vision revived Turning the tide on renewable energy Mineral Resource of the Month: Silver
GEOLOGIC HISTORY August 16, 1896: Discovery of gold spurs Klondike Gold Rush Print Exclusive
TRENDS & INNOVATIONS Look What I Found! Print Exclusive If you find something on your land — say a whole lot of a valuable building stone, a meteorite or a dinosaur bone— do you know what to do? Do you know who to contact to find out what it’s worth? Cassandra Willyard
viewsA COMMENT ON ... Say hello to your PIO If you don’t know what a PIO is, or don’t know who yours is, it might be worth your while to get to know him or her. PIOs are science writers, trained to take science jargon and make it readable. They are a scientist’s friend. Harvey Leifert
coverON THE COVER Researchers are developing new and improved plans to restore U.S. wetlands and waterways, including the Salton Sea, pictured here. Read more about the Salton Sea and other waterways in this issue. Image is copyright of Milt Friend.