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Nile River Nations Agree to Cooperate, but Danger Lurks for One of Planet’s Great Wetlands

Earlier this month, the foreign ministers of Sudan, Egypt and Ethiopia reached agreement on basic principles for managing what will be Africa’s largest hydroelectric dam.

Lessons from São Paulo’s Water Shortage

It’s getting harder and harder to separate nature’s role in disasters from our own, and the dire water predicament confronting São Paulo, Brazil, is no exception.

Climate Change Poses Existential Water Risks

We often hear it said that climate change is too abstract to win the support needed to effectively combat it.

Love Water for Chocolate

It takes an astonishing 450 gallons (1700 liters) of water to make a typical 3.5-ounce (100-gram) chocolate bar. That’s about ten bathtubs of water for one bar of chocolate.

India’s Food Security Threatened by Groundwater Depletion

Without serious efforts to stem the mining of groundwater, food production will decline.

A Year Without the Colorado River, as Seen by Economists

Imagine if each tap that delivered water from the Colorado River – whether to a farm, a factory, or a home – suddenly went dry for a year. What would happen to the West’s economy?

Securing Water for Urban Farms

A surprisingly large share of the world’s cropland is found not in rural areas, but within cities and their immediate surroundings.

With Water, Life Returns to the Colorado River Delta

Last spring, on the eighth day of the release of Colorado River water into its channel at the US-Mexico border – an event known as the “pulse flow” – I witnessed something extraordinary.

A Watershed Moment for Los Angeles

The timing might seem odd, even self-destructive. Los Angeles Mayor Eric Garcetti issued an executive order calling for his southern California city to cut its water imports by half within a decade.

What the Disappearing Aral Sea Tells Us about the Value of Water

The satellite image of the Aral Sea recently released by NASA just about knocked my socks off. It wasn’t that the sea was shrinking; that’s been true for decades. It was how fast it was disappearing.
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