These high "water towers" provide a huge percentage of global fresh water, but climate change and geopolitical stresses endanger their existence.
Giant streams of moist air that curl off from the tropics are responsible for most of the flooding in the Western United States, and scientists say these atmospheric rivers will become more intense as the planet warms.
'As rivers become toxic and countryside becomes devoid of wildlife, the government must be held to account,' say campaigners.
The Iowa Supreme Court has decided to step into a legal battle between the state and environmental groups over whether enough is being done to keep hog manure and other farm pollutants from tainting rivers that provide central Iowans drinking water.
'Total surprise' discovery overturns conventional understanding of rivers.
The government says a boom in mini hydropower is part of a renewables drive but activists and locals argue the plants are destroying their "lifeline."
The Colorado River serves over 35 million Americans before reaching Mexico – but it is dammed at the border, leaving locals on the other side with a dry delta.
"Beekeeping has been something I've done for all my life. It's one of those things that gets in your blood and once it's in your blood, it's hard to shake it."
How powerful institutions are criminalizing populations by locking people up and deeming them undeserving of clean air, water and healthy housing.
EHN.org investigation finds regulatory push to discredit independent evidence of harm while favoring pro-industry science despite significant shortcomings.