Surface runoff

The World

The Thirst for Safe Water Part #3: Pesticides in Drinking Water

This year, U.S. farmers will apply one billion pounds of pesticides to their crops, much of which will runoff the soil into rivers and streams that provide drinking water. Costly big city treatment plants often filter the chemicals out before they reach homes, but the plants in many smaller towns lack that capability. So every […]

The World

Cow Waste and Artifical Wetlands

Robofish

Tech Note