Alex Weber, a junior at Carmel High School in California, and her friend Jack Johnston had repeatedly come across large numbers of golf balls on the ocean floor while snorkeling in the Monterey Bay National Marine Sanctuary near the town of Carmel-by-the-Sea. As environmentally conscious teens, they started removing golf balls from the water, one
Asian carp were imported from China to the U.S. in the 1970s to remove algae from catfish farms and wastewater treatment ponds. Somehow they escaped and migrated north through the Mississippi and Illinois rivers. The species spawn in rivers and feed on phytoplankton, disrupting the food chain for younger fish. The voracious eaters can weigh