Amy Coombs

The World

California Air Officials Nix Polluting Dairy Energy

Milk producers in California are installing digesters to capture and use methane from their cow manure. But air officials in the asthma-plagued San Joaquin Valley say some of the machines release nitrogen oxides, and that’s a no-no.

The World

Recycling To Reduce Pesticide Use

The World

Inter-species Linguistics

The World

Recycling to reduce pesticide use

Environment