ScienceDaily
Source:: Tropical Trees. Author: Paul Hamilton.
Trees in the tropics, especially important for the planet, face increasing threats. More here.
PLANET IN PERIL (PinP) "Where science gets respect." Contaminants which run off from farms and cities, produce dead-zones downstream, where few things can live. It's feared this year's dead zone in the Gulf of Mexico will be the biggest yet. Image by NOAA.
