The Sixth Extinction: An Unnatural History

New England
New Pangaea
Newsweek
Newton, Alfred
New York State Department of Environmental Conservation
New York Times
New Zealand
nitrogen
Noah’s Ark mollusk (Arca noae)
noddies, black
Notes on the State of Virginia (Jefferson)
nuclear winter
ocean acidification
coral reefs and
marine life and
rate of
Oceanography
oceans. See also sea level; sea temperature
atmosphere and
dispersal of species and
sulfate-reducing bacteria and
tropical
octopuses
One Tree Island Research Station
On the Origin of Species (Darwin)
orangutans
Sumatran
orchids
Ordovician period
extinction at end of
Ordovician radiation
overkill hypothesis
oystercatchers
oysters
ozone hole
Pääbo, Svante
Paleogene period