NATIONAL GEOGRAPHIC
VIDEO HOME
NAT GEO TV
NAT GEO WILD
KIDS
MORE VIDEOS
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
Saving Lake Erie
Once dying, Lake Erie has made a promising recovery. But now its condition is deteriorating again, and scientists aren't sure why.
more
X
Saving Lake Erie
Fresh Water
Once dying, Lake Erie has made a promising recovery. But now its condition is deteriorating again, and scientists aren't sure why.
X
Saving Lake Erie
Once dying, Lake Erie has made a promising recovery. But now its condition is deteriorating again, and scientists aren't sure why.
Share Link
Featured Videos
Related
'Giant Fish' Faces Big Trouble in China
Biggest Trout Fished in Asia
Chao Phraya Catfish
Mekong Giant Catfish
Croc Fossil Found in Cave
Record Cave Dive Leaves Mystery
Three Rivers
Yellowstone's Water "Secrets"
NG Live!: Sandra Postel: Troubled Waters
Conasauga River
Returning the Colorado River to the Sea
How Your T-Shirt Can Make a Difference
Wine From Water
Locals Help Restore the Colorado Delta
Great Lakes Cleanup
Hope for Rivers During Drought
Bringing New Life to the Colorado Delta's Fisheries
Exploring Ancient Springs in Texas
Conserve Water
Why Care About Water?
Okavango, Botswana: Miracle of Water
Bathroom
Glacier Melt
What You Do Counts
Glen Canyon Controversy
Cleaning Lake Tahoe
NG Live!: Lucy Cooke: Saving the Creeps
Concrete to Help Oysters?
Spectacular Dam "Removal:" More Revealed
Spectacular Time Lapse Dam "Removal" Video
Alaskan Salmon Forests
River Catfish Release
Mud Puddle Frogs Mate
NG Live!: Osvel Hinojosa Huerta: Bringing Water Back to the River
Turkish Dam Will Submerge 12,000-Year-Old City
In the Yampa River, Extra Flow Makes for Happier Fish
Sparse Snowpack Worsens California Drought Crisis
BioBlitz Finds 2,300+ Species in Golden Gate Parks
What Happens If Your Town Runs Out of Water?
The Mighty River That Dried Up: "I Am Red"
Chasing Rivers, Part 1: The Colorado
Chasing Rivers, Part 2: The Ganges
Buried Stream Sees the Light of Day
Millions of Salmon Return Home
Florida's Beautiful but Inhospitable Springs
Monster Fish
Honoring Tom Lovejoy: 50 Years of Protecting the Amazon
Newest
Earth
Category:
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
News
Astounding Video of Volcano Shock Wave
01:03
News
World’s Most Powerful Geyser Erupts Three Times After Years of Quiet
02:08
101 Videos
Continental Drift 101
01:14
News
See a Gigantic Sinkhole on New Zealand’s North Island
00:57
Wild Chronicles
Fossil Found in Kitchen Counter
06:31
Expedition Raw
Watch: Inside the World's Longest Sea Caves
01:58
News
Watch a Road 'Breathing' in Mexico After an Earthquake
01:42
News
New Discovery: Are These the Oldest Fossils Ever Found?
01:47
Camera Submerged in Hot Lava, Keeps Recording
02:02
UNESCO World Heritage Sites
Vietnam's Ha Long Bay Is a Spectacular Garden of Islands
02:48
Short Film Showcase
His Epic Message Will Make You Want to Save the World
04:08
Travel
The Monasteries of Meteora, Greece
02:13
News
Watch These Giant Whales Visit an Ocean ‘Day Spa’
01:20
What Was the Biggest Volcanic Eruption in History?
00:30
News
Time Lapse: Watch One Earth Year From Space
02:47
Short Film Showcase
A Rock’s Fantastic, Imaginary Journey Through Time and Space
05:43
Show More Videos