We can see how humans have altered Earth’s water resources

We can now see how humans have altered Earth’s water resources

For millennia, humans have harnessed rivers, built dams, and dug wells to quench our growing civilization. Now, for the first time, we have a picture of what all those generations have wrought on our blue planet’s most defining resource.

Newly analyzed data from groundwater-detecting satellites “reveals a clear human fingerprint on the global water cycle,” according to a study out Wednesday in the journal Nature. It’s the kind of … [more…]

Ventura County study: wild birds protect flood structures better than poison

photo: hawk (shown)s, eagles, raptors - Ventura County study finds wild birds protect flood structures better than poisons

A new study, which was conducted at two site along a levee at the Revolon Slough, shows that predator birds are an efficient weapon for protecting flood levees. Yazmin Cruz (Photo: Contributed photo)

Armed with a study showing that predatory birds protect flood control structures, managers plan to substantially reduce their use of poisonous bait to guard levees and dams.

Anticoagulant rodenticides have long been viewed as a way to … [more…]

Fresh water, the reward of land restoration, flows in Ethiopia’s dry zone

photo of river and lecturer: Fresh water, the reward of land restoration, flows in Ethiopia’s dry zone

Success stories of how land restoration has transformed landscapes and livelihoods in four watersheds of Tigray, Northern Ethiopia.

Fresh water — its availability or lack thereof — is a powerful signal of the health of an ecosystem. On a whirlwind tour of four watersheds in Tigray province, located on the northernmost tip of Ethiopia, we found large and small dams full of clean water, productive boreholes, and even waterfalls. People

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First the Arctic melted, then Bolivian water dried up, then…

photo: Chacaltaya mountain ski resort is barren as Bolivia glaciers recede

Bolivia has declared a state of emergency as climate impacts shrink glaciers and leave cities without water. The now-barren slopes at the world’s highest ski resort on Chacaltaya mountain in the Bolivian Andes above La Paz.

The government of Bolivia, a landlocked country in the heart of South America, has been forced to declare a state of emergency as it faces its worst drought for at least 25 years. Much

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