The Shrinking Aral Sea Has Been Reduced To A Mere Sliver

Dry conditions have caused the Aral Sea's eastern lobe to completely dry up for the first time in modern history. It was once the fourth largest lake in the world, but owing to a disastrous irrigation project, it's all but gone. » 9/29/14 8:20am 9/29/14 8:20am

Irrigation might actually be raising sea levels

Ocean levels have risen several inches over the last century, and that's only likely to increase going forward. Most of that is related to climate change — but now scientists may have discovered a hidden factor in all this: irrigation. » 10/04/11 4:30pm 10/04/11 4:30pm

Mummies reveal that ancient irrigation created modern plague

About 200 million people today have schistosomiasis, a serious chronic illness caused by a parasitic infection. A big part of why the disease runs rampant today is how our ancestors practiced irrigation...and it's a mistake 1500 years in the making. » 5/23/11 2:01pm 5/23/11 2:01pm

Geohackers Want to Transform the Sahara into a Forest

A group of scientists have a radical idea for combating climate change: terraforming the Sahara Desert and replacing it with a lush forest. But will its carbon capturing potential outweigh the negative ecological consequences? » 9/16/09 11:20am 9/16/09 11:20am