Stories by Rebecca Renner

Entrepreneurs target the jatropha plant as the next big biofuel

The first U.S. project for carbon dioxide burial gives mixed results

Shorter carbon chains make stain beaters safer

Hot-spot unknowns complicate mercury regulations

Conflicting rules may put lead in tap water

Pesticide kills frogs only if predators are around

Whatever doesn't kill you might make you stronger

Sewage is a great fertilizer, but is it a health hazard?

Ground toxins diffusing into homes prove hard to assess

Excreted chemicals pollute U.S. streams

Ionic Liquids May Replace Hazardous Solvents

Following the fabric protector's slippery trail to a new class of pollutant

A housing boom stirs up natural asbestos in California