Meet Sandra Postel, founder of the Global Water Policy Project and National Geographic's Freshwater Fellow. Ms. Postel is recognized as one of the world's most respected authorities on freshwater issues and is hailed for her "inspiring, innovative, and practical approach" to promoting the preservation and sustainable use of Earth’s freshwater.
More About Freshwater
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Patterns in Nature
Enjoy close-up photos of a variety of flowers, trees, leaves, cacti, and even flowering moss from around the world.
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Photo Gallery: Desert Landscapes
Discover dunes and dive into seas of sand from Australia to the Middle East and beyond in this gallery dedicated to Earth’s most barren landscapes.
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Photos: Fire "Tornadoes" Explained
"Firenadoes"—such as the one filmed recently in the Australian Outback—aren't rare, just rarely reported, an expert says.
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Autumn Colors
Fall into riotous hues and changing landscapes with this collection of autumn photos from National Geographic website visitors.
In the Field
Environment Video
More Photos
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Explore Freshwater
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Written in Water
Read a collection of essays authored by heroes and leaders in the field of water solutions and innovations.
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Eco Rescue: Rivers Game
Challenge yourself to the limit in this extreme river cleanup game.
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Conserve Resources
National Geographic Kids: Find out how you can save water!
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The World's Water
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Help Save the Colorado River
NG's new Change the Course campaign launches. When individuals pledge to use less water in their own lives, our partners carry out restoration work in the Colorado River Basin.
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Water Grabbers: A Global Rush on Freshwater
A special series on how grabbing water from poor people and future generations threatens global food security, environmental sustainability, and local cultures.
