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How should you treat your ducks? The answer is mired in duckling politics.

Nala Rogers, Contributor

A rare glimpse into the "lost years."

Marsha Lewis, Contributing Producer

Drones taking a birds-eye view of our ecosystem.

Marsha Lewis, Contributing Producer

Changes in sea level repeatedly connected the Galapagos Islands and affected biodiversity.

Ker Than, Contributor

How plants use their biological clocks to ward off insect attacks and produce more anti-cancer chemicals.

Karin Heineman, ISTV Executive Producer

A computer program helps property owners improve the environment.

Marsha Lewis, Contributing Producer

Return of one predator helps another find more food.

Ranjini Raghunath, Contributor

Is it possible to put a dollar value on the beauty of a river or to judge the worth of a wetland? Some conservationists think so.

Allison Jarrell, Contributor

Increasing acidity in the world’s oceans could pose a greater threat to marine life than warming waters.

Katharine Gammon, Contributor

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