Water

Water crystallizes into ice at 32 degrees Fahrenheit most of the time, but not always.

At What Temperature Does Water Freeze?

The answer is far more complicated than it first appears—water doesn't always turn to ice at 32 degrees Fahrenheit

Korogocho resident Phylis Mueni is one of the many Kenyans who benefit from the HabitHuts that can provide up to 1,600 gallons of clean water per day.

Pop-Up Relief in Kenya’s Slums

Solar-powered huts built by a Montana-based construction company provide two big needs: water and cellphone power

Two antique dams on Washington state's Elwha River are set to be demolished.

On the Elwha, a New Life When the Dam Breaks

A huge dam-removal project will reveal sacred Native American lands that have been flooded for a century

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Water Works

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On the Job

A lobsterman in Maine talks about the lure of working on the water

The Great Barrier Reef

Diving Into the Great Barrier Reef

Beautiful beaches and unrivaled underwater views lure lovers of marine life to the world’s largest coral reef

The Atchafalaya Basin (dark green in this satellite image, with the Atchafalaya River running through its center) is almost a million acres of bottomland woods and swamp.

Saving Atchafalaya

A more than 70-year effort to "control" America's largest river basin swamp is threatening the Cajun culture that thrives on it

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Digging Ditches

Narrow, humble irrigation ditches called acequias sustain an endangered way of life but for how long?

This SeaWiFS view reveals the colourful interplay of currents on the sea's surface

Evidence for a Flood

Sediment layers suggest that 7,500 years ago Mediterranean water roared into the Black Sea

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The Sargasso Sea

Out in the Atlantic, strange creatures make their home among seaweed in a floating lens of warm water

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The Bosporus: A Disaster Waiting to Happen

Within the past ten years, 150 serious accidents have occurred in the world's most dangerous strait. Each tanker that passes through is a potential bomb

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