Hydroelectric dams take toll on endangered big cats, study shows

Big cats are among the most widespread top predators on Earth. Lions stalk zebra in the African savanna, tigers ambush antelope in the forests of Asia and jaguars hunt deer in the jungles of South America. They play an important ...

41 dead as heavy rains batter northern India

At least 41 people died and more than a dozen were missing after landslides and flash floods triggered by several days of heavy rain hit northern India, officials said Tuesday.

'Desert': drying Euphrates threatens disaster in Syria

Syria's longest river used to flow by his olive grove, but today Khaled al-Khamees says it has receded into the distance, parching his trees and leaving his family with hardly a drop to drink.

Pacific Northwest braces for record-breaking heat wave

Record-high heat is forecast in the normally mild-weathered Pacific Northwest this weekend, raising concerns about wildfires and the health of people in a region where many people don't have air conditioning.

Historic drought threatens Brazil's economy

The worst drought in nearly a century to hit two key regions in Brazil is wreaking havoc on hydroelectric dams and crops—and threatening the nascent pandemic recovery of Latin America's biggest economy.

World's ageing big dams pose 'emerging risk': UN

By 2050, more than half the global population will live downstream from tens of thousands of large dams near or past their intended lifespan, according to a UN report released Friday.

More than 1 million barriers on Europe's rivers: study

More than 1.2 million barriers criss-cross Europe's rivers—nearly twice as many as previously thought—threatening some of the world's most diverse ecosystems, new research showed Wednesday.

Historic deal revives plan for largest US dam demolition

An agreement announced Tuesday paves the way for the largest dam demolition in U.S. history, a project that promises to reopen hundreds of miles of waterway along the Oregon-California border to salmon that are critical to ...

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