¥During last ice age (>18,000 years
ago)
¥
Temps 6oC colder
¥
CO2 levels 30% lower
¥
CH4 levels 50% lower
¥
H2O levels were lower
¥than current
interglacial.
¥
¥130,000 years ago it was a bit warmer
than today
¥
¥50% change in CO2 associated
with 8oC change
in temperature
¥6-8oC decrease in temperature
produced incredibly
different climate:
Ice Age