World Sep 18 Watch 7:25 In Cambodia, sand mining is big business — but it comes at a price Sand mining accounts for 85 percent of all worldwide mineral extraction, a $70 billion industry. In Cambodia, the practice is big business -- but it comes with a price. The country relies upon the Mekong River for commerce and transportation,… By Fred de Sam Lazaro, Sarah Clune Hartman
Arts Sep 09 California artist races the tide to sculpt the beach Walking along Bay Area beaches, you may be lucky enough to come across one of "earthscape artist" Andres Amador’s “playa paintings,” large-scale patterns he creates in the sand using rakes and ropes as his tools. By Cynthia Stone, KQED
Oct 29 Watch The Sand Engine Churns to Bring Sand to the Beach The Sand Engine restores sand to the beach with minimal environmental impact. Continue watching
Jun 11 Greening the Deserts of Qatar By Larisa Epatko Researchers in Qatar are trying new techniques to grow food, such as pumping carbon dioxide into greenhouses and using drip irrigation in sandy plant beds. Continue reading
Sep 22 Watch Oil Disaster Draws New Attention to Louisiana’s Coastal Erosion Even though the blown-out BP oil well in the Gulf of Mexico has been permanently sealed, Louisiana is continuing its battle against another environmental challenge: coastal erosion. Tom Bearden reports. Continue watching