Phosphorus

Cyanobacteria, or "green slime," is wreaking havoc with Lake Erie's water supplies and fishing industries. The outbreaks are caused largely by runoff of fertilizers and other nutrients from farms, and they're a growing problem in the Great Lakes and aroun

In the fight against green slime on Lake Erie, farmers try to clean up their act

Environment

Nasty green slime poisoned water in Ohio last summer, and it’s becoming a regular thing in the region — and around the world. The problem is agricultural pollution, but some Ontario farmers are trying to try to cut back on the pollution that leads to the slime.

Use of phosphorous in Gaza

DIY: How to turn urine into fertilizer

One of a fleet of trucks in the Bangalore area that brings untreated sewage from homes to farms, to be used as fertilizer.

Recycled lunch: Using human waste to grow food, and fight climate change

Environment

The Importance of Phosphorus in the Global Food Supply

Global Politics

Enviropig

In an attempt to deal with excess phosphorus in pig manure, scientists at the University of Guelph , Ontario, have invented an “Enviropig.” Some high-tech gene splicing has produced a pig which does a better job of processing phosphorus in its feed. Cecil Forsberg spoke with host Steve Curwood about the development.

Enviropig

A Canadian scientist reduces pollution with a genetically modified pig.