Harvard School of Public Health

World population to surpass 7 billion in 2011

Global population is expected to hit 7 billion later this year, up from 6 billion in 1999. Between now and 2050, an estimated 2.3 billion more people will be added—nearly as many as inhabited the planet as recently as ...

Jul 28, 2011 3.5 / 5 (21) 144 | with audio podcast

Mercury on the rise in endangered Pacific seabirds

Using 120 years of feathers from natural history museums in the United States, Harvard University researchers have been able to track increases in the neurotoxin methylmercury in the black-footed albatross (Phoebastria ni ...

Apr 18, 2011 not rated yet 0