Snowy River Cave, Conservation Dogs, Underwater Oklahoma
Dazzling natural formations below a New Mexico recreation area. Researchers use GPS technology to help endangered bighorn sheep living in very rugged terrain. Doggie detectives in Oregon help scientists save rare plants. The search for energy takes us in two directions: riskier tactics to extract fossil fuels; and a bold and promising new possibility for renewable energy. Some stunning scuba diving in possibly the last state you would ever imagine!
