Fracking

Fracking

Classroom Activity Page: Hydraulic fracturing, or fracking, is a high-pressure technique for cracking rocks and More »

Fracking fracas

Fracking fracas

A high-pressure rock-buster caused natural gas production to explode. How does fracking work? What’s up with groundwater pollution? More »

Cholera: Haiti’s latest scourge

Cholera: Haiti’s latest scourge

Cholera can kill with record speed. The bacterium is easy to control — if wastewater and drinking water are treated. Haiti — More »

River health: Finding fixes

River health: Finding fixes

Can we fix rivers? Dams, levees, and locks can harm rivers and wetlands. So can draining rivers dry, or encasing them in concrete. In a More »

State of the rivers: Ruinous?

State of the rivers: Ruinous?

Rivers bring water. They house amazing biodiversity. And they are being polluted, tapped, dammed and diverted at a frightening rate. More »

Fish prove: The eyes have it!

The color, vision and genetics of an African fish all vary depending on the clarity of its home waters. A new study suggests how More »