Restoring the ‘River of Grass’ | CNN

Restoring the ‘River of Grass’

By Michelle Cohan, CNN

Published 2:55 PM EDT, Mon August 25, 2025

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Restoring the 'River of Grass'

Located in Florida, the Everglades is one of the largest wetlands in the world - spanning 1.5 million acres. But it was once nearly twice that size before canals and dams altered its landscape. Meet the scientists and engineers bringing back its natural flow.

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Call to Earth 16 videos

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Restoring the 'River of Grass'

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Why scientists want ice from 600 meters below the surface

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Saving the Amazon's stingless bees

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Bearded vulture on the brink: Conservationists in South Africa and Lesotho race to save this raptor

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Underwater 'reef music' could help in coral restoration

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Saving pangolins at a pioneering facility in South Africa

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Why scientists call these ants ‘a minefield in your backyard’

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No Blue, No Green: A conversation with Sylvia Earle

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This underwater photo taken on June 14, 2024 shows bleached corals around Koh Tao island in the southern Thai province of Surat Thani. Coral bleaching has been recorded in over 60 countries since early 2023, threatening reefs that are key to ocean biodiversity and support fishing and tourism industries globally, and that death spiral is everywhere in the waters of the Gulf of Thailand around Koh Tao.

Marine biologist: “Everything we do from when we get up in the morning to when we go to bed connects us to coral reefs.”

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<p>Thursday, November 6th, across CNN we are celebrating 'Call To Earth Day' which this year embraces the powerful theme "Guard Your Green Space," urging individuals, communities, and nations to take bold, collective action to protect the natural world that sustains us. The sport of SailGP is a living, breathing testament to that mantra, with a revolutionary initiative that has integrated sustainability into the very fabric of its DNA. Now in its fourth season, SailGP's Impact League is challenging athletes on and off the water and redefining how sport can be harnessed to create positive change. CNN's Amanda Davies has more.</p>

SailGP: The sport with a podium dedicated to the planet

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FILE - This July 6, 2011, file photo shows a grizzly bear roaming near Beaver Lake in Yellowstone National Park, Wyo. The Montana Fish and Wildlife Committee is set to take a final vote on proposed rules to hunt grizzly bears if federal protections are lifted. (AP Photo/Jim Urquhart, File)

How a few strands of hair are helping to protect Canada’s grizzlies

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Visiting Florida's art-ificial reef trail

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Guardians of the deep sea: protecting Caprera Canyon

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Protecting the Mediterranean’s marine life

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Call to Earth: Beyond the lens

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The art of capturing the shot

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