A woman cleans her pen at a sea cucumber reserve in Madagascar. | Nicky Milne/Thomson Reuters Foundation

Tortoise In Peril

Desert tortoises are a threatened species. Habitat destruction, diseases and other factors have reduced their numbers by up to 90 percent. Now flocks of ravens, that often live off human trash, are eating baby tortoises, reducing the odds of tortoise survival as a species. This documentary explores that impact, pointing out how people can change the environment through seemingly innocent actions.

Available until
2023-04-30T00:00:00-07:00
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Toxic Futures: Untold Stories of Chemical Pollution

(Earth Focus: Episode 56) Exposure to toxic chemicals affects people in both the industrialized and developing world. Earth Focus looks at how Toms River, a New Jersey town, fought back to save its drinking water from toxic waste dumping by dye manufacturer Ciba Geigy and by Union Carbide. Then, a look at the new film Amazon Gold, which addresses illegal gold mining in Peru and its tragic impact on human health and the environment.

Nuclear Power: America Goes Naked

"Going naked" is how the insurance industry describes not having insurance. And when it comes to the worst hazards of nuclear power — America is going naked. Correspondent Miles Benson investigates why the U.S. nuclear power industry is underinsured by hundreds of billions of dollars. He also speaks with Australian physician, author and nuclear industry critic Dr. Helen Caldicott on the health effects of nuclear radiation including cancers, fetal damage and genetic mutation.

Restoring The Earth

(Earth Focus: Episode 53) It is possible to rehabilitate large-scale damaged ecosystems, to improve the lives of people trapped in poverty and to sequester carbon naturally. John Liu presents "Hope in a Changing Climate," which showcases approaches that have worked on the Loess Plateau in China, Ethiopia and Rwanda. Produced in collaboration with the Environmental Education Media Project (EEMP).

Shades of Gray: Living with Wolves

Gray wolves once ranged across North America. But by the 1930s, they were nearly extinct — trapped, poisoned and hunted by ranchers, farmers, and government agents. With protection under the 1973 Endangered Species Act, the wolf population rebounded. But wolves lost federal protection in 2011. Now, with hunting permitted in many Western states, the future of this once endangered species may again be in question. Can we live with wolves? "Earth Focus" travels to Montana and Wyoming to find out.