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Sheril Kirshenbaum

The Intersection

Dead Zones Are Now Deadlier

The Wave is located in Paria Canyon-Vermilion Cliffs Wilderness Area. (Credit: Anna Jones Photography)

Credit Anna Jones Photography 1

How destinations like The Wave, located near the Arizona-Utah border, are managing overtourism. 

The Paradox of Internet Famous Wilderness

Coral restoration

Planting new corals can't stop climate change, but it can give marine ecosystems a fighting chance. Volunteers have largely led the ambitious effort.

How Volunteers Are Helping Keep Coral Reefs Alive

Arctic sea ice appears to have reached its maximum extent for the year on March 21, 2021, tied with 2007 as the seventh-lowest in the satellite record. The orange line shows the median ice edge for 1981-2010. (Credit: NSIDC / NASA Earth Observatory.)

2021 Maximum Arctic Sea Ice Extent

The ice has likely reached an "uneventful maximum," but the long-term decline due to human-caused warming continues.

Winter Arctic Sea Ice Peaks at 7th Skimpiest on Record

Cosmos

Cosmos: Possible Worlds

Strange Science

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Einstein's Universe

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Elements Flashcards

Dead Zones Are Now Deadlier

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