Related topics: climate change · water

Hydroelectric dams may jeopardize the Amazon's future

Hundreds of built and proposed hydroelectric dams may significantly harm life in and around the Amazon by trapping the flow of rich nutrients and modifying the climate from Central America to the Gulf of Mexico. These findings, ...

Amazon River no younger than 9 million years, new study shows

Researchers from the University of Amsterdam (UvA) and the University of Brasilia (Brazil) have determined the age of the formation of the Amazon River at 9.4 to 9 million years ago (Ma) with data that convincingly refutes ...

US Southwest faces threat of megadroughts with rising temps

Already dealing with parched conditions, the U.S. Southwest faces the threat of megadroughts this century as temperatures rise, says a new study that found the risk is reduced if heat-trapping gases are curbed.

60 percent of key S.Asian water basin not usable: study

Sixty percent of the groundwater in a river basin supporting more than 750 million people in Pakistan, India, Nepal and Bangladesh is not drinkable or usable for irrigation, researchers said Monday.

Research finds massive phosphorus buildup

The world's total human population has jumped to over 7.4 billion just this year. Feeding the human species takes a tremendous toll on our natural resources including water, soil and phosphorus—a chemical element in fertilizer ...

page 7 from 30