Stories by Crystal Gammon

Aldabra giant tortoises may fill a gap in Madagascar's sensitive ecosystem, scientists say

Sandy's storm surge has long since receded, but authorities remain concerned about the plumes of raw sewage left in its wake

This week's superstorm moves climate change back into national discourse

Phthalates as much as doubled the rate of diabetes in women with the highest exposures

Seven million children now suffer from asthma--and they are disproportionately poor

Cancer in wild animals may be triggered or accelerated by environmental contaminants, some researchers argue

Used in gardens, farms, and parks around the world, the weed killer Roundup contains an ingredient that can suffocate human cells in a laboratory, researchers say

A new, large survey of the mosquito-borne illness links it to increased rainfall, which may be a result of climate change

A new EPA plan would cut school pesticide use by 70 percent or more, but some say children and teachers should be protected by mandates, not voluntary guidelines