PUAF 741
Links
U.S. Global Change Research Program
Carbon Dioxide Information Analysis Center
Secretariat of the UN Framework Convention on Climate Change
United Nations Environment Program
U.S. Energy Information Administration
U.S. Environmental Protection Agency
World Resources Institute
and
EarthTrends Data
Natural Resources Defense Council
Worldwatch Institute
MAGICC/SCENGEN
Fundamentals of Physical Geography (online text)