TERRA 448: Frog, Chemical, Water, You – Part 1

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Amphibians are indicator species. Because of their sensitive permeable skin, scientists use amphibians to gauge the overall health of the worldwide ecosystem that we all share. So with nearly half of the world's amphi...

TERRA 403: The Water Carriers – Part 3

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In part three of The Water Carriers, Nina gives Callie a small taste of what it's like to be a water carrier, and the Engineers Without Borders help the village overcome a stumbling block with their new source of drin...

TERRA 506: Virginia City Gold Mining

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After a long day of digging gold out of the ground, crushing it at the mill and refining it at the lab, Ralph Johnsrud and his miners can go back to their homes in Virginia City. Referred to by many as a ghost town, V...

TERRA 802: Restoring an Icon

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In little more than a decade during the late 1800s, hunters all but wiped out one of the continent’s most iconic animals, the American bison. They killed the animals by the tens of thousands for their hides, meat and ...

TERRA 536: Wildlife at Work: Beaver, Otter and Native Fish on the Verde River

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Beavers are some of the great engineers of the wild kingdom. In Arizona, these toothy critters are hard at work along the Verde River, helping to restore this fragile river system to good health. They are creating dam...

TERRA 809: Floods at Campo de la Cruz – Voices

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The films of Campo de la Cruz, Faces and Voices, are a complementary approach to tell the story of the catastrophic floods that occurred in Colombia's Caribbean Coast, during the rainy season of 2010-2011. After sever...