Environmental science

Saving the World's Biodiversity

Leaders from more than 190 nations met in Nagoya, Japan to hash out a plan to protect threatened species. Thomas Lovejoy, senior advisor to the president of the UN Foundation, attended the summit and tells how it went.

Polluted Patriots

A new report by the National Academies says science cannot establish whether contaminated drinking water caused the health problems suffered by former residents of a Marine base-- disappointing many in military and scientific communities.