Global Climate Change
¥Global Warming
–Currently within 1¼C of highest Temp. in 125,000 years
–forced versus unforced fluctuations
–Radiatively active gases;
¥Carbon dioxide (CO2)
¥Methane (CH4)
¥Nitrous oxide (N2O)
¥Chlorofluorocarbons (CFCs)
¥H2O vapor