Global Climate
Change
¥
Global Warming
–
Currently within 1¼C of highest Temp. in 125,000
years
–
forced
versus
unforced
fluctuations
–
Radiatively active
gases
;
¥
Carbon dioxide (CO
2
)
¥
Methane (CH
4
)
¥
Nitrous oxide (N
2
O)
¥
Chlorofluorocarbons (CFCs)
¥
H
2
O vapor