Viewed from behind, 2 people ride bicycles along New York City's new, wide, physically-separated 9th Avenue bicycle lane.Episode

Cycle of Life

Cyclists are taking to the streets in unprecedented numbers, and CO2 emissions are down. Is this a silver lining to the pandemic, or just a fad?

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Talkin’ Hurricanes

In the years since Hurricane Katrina, a lot has changed about New Orleans–including the way people talk.

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Moving Pictures

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Replay: Bicycle Fever at the Turn of the Century

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The Rising Tide

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Replay: The Music of the Glaciers

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Replay: Dragons of Inaction

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The Music of the Glaciers

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The Disappearing Lake

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Dragons of Inaction

For this Earth Day, we’re taking the planet’s pulse—and our own.

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Replay: The River in the Atlantic Ocean

Image courtesy RedAndr The Gulf Stream current pushes water from the Americas to Europe and back with a force three hundred times more powerful than the Amazon River. Stan Ulanski …

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