I've never understood why we even bother to discuss this. Is the earth warming or not--who cares? Can anybody deny that it would be better if we could reduce the amount of pollution we produce?
Registered Voter Wrote:
> Here is a good primer for those who have Al
> Global Warming Skepticism, for Dummies
> 5) Isn’t the Melting of Arctic Sea Ice Evidence of
> Warming? Warming, yes…manmade warming, no. Arctic
> sea ice naturally melts back every summer, but
> that meltback was observed to reach a peak in
> 2007. But we have relatively accurate,
> satellite-based measurements of Arctic (and
> Antarctic) sea ice only since 1979. It is entirely
> possible that late summer Arctic Sea ice cover was
> just as low in the 1920s or 1930s, a period when
> Arctic thermometer data suggests it was just as
> warm. Unfortunately, there is no way to know,
> because we did not have satellites back then.
> Interestingly, Antarctic sea ice has been growing
> nearly as fast as Arctic ice has been melting over
> the last 30+ years.