Additional studies suggest that common pesticides may be endocrine disruptors, bad news that nonetheless warms the heart of one citizen scientist.
Gary Cohen and his nonprofit, Health Care Without Harm, have persuaded hospitals around the world to close their medical-waste incinerators, dramatically cutting emissions of dioxin and other toxins.
Judy Hoy's lonely crusade to determine if farm chemicals are deforming deer boosted by falling populations
The murky waters of the debate over chemical exposures and health just got murkier. And a bit nastier.