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Is Global Warming Causing Global Cooling?

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by

mwkruse
in ,

Watts Up With That (Anthony Watts): January 2008 – 4 sources say "globally cooler" in the past 12 months

January 2008 was an exceptional month for our planet. While January 2007 started out well above normal.

January 2008 capped a 12 month period of global temperature drops on all of the major well respected indicators. I have reported in the past two weeks that HadCRUT, RSS, UAH, and GISS global temperature sets all show sharp drops in the last year.

Here are the 4 major temperature metrics compared top to bottom, with the most recently released at the top: …

Here are the HadCRUT and GISS charts he posted.

Hadrut

Giss

In fairness, scientists believe the recent drop is due to a La Nina effect that will last through the first half of this year. Still, if I read these charts right, this is the biggest one-year drop since records have been kept. Has anyone seen this make front-page headlines? No. It doesn't fit the gloom and disaster sensationalism of the press (Imagine if it had spiked in the other direction as with El Nino in 1998.)

Anyway, I suspect that if the temperature falls another .75 degrees, we will begin to see headlines:

"WARNING: Global Warming is Causing Global Cooling"

🙂

Comments

2 responses to “Is Global Warming Causing Global Cooling?”

  1. Peter Avatar
    Peter

    I am quite skeptical of the apocalyptic stream of the global warming movement. That being said, it seems to reasonable for a total non-scientist like me to assume that global warming is happening to some degree. It also seems that a move toward green tech and everyone shrinking their carbon footprint is a net good. But I definitely resist the band-wagonism of the global warming movement.

    Reply
  2. Michael W. Kruse Avatar
    Michael W. Kruse

    Peter, I think there is little doubt that the earth has warmed over the past century. My beef lies elsewhere. For instance, global temps have been both considerably cooler and warmer in the past. On what basis do we declare the temps we are departing from the optimal temps? Optimal for who or what? Furthermore, to what degree is human generated CO2 the cause of temp change? Then, if we agree that CO2 is causing temp change, we have accesss the significance of that change.
    My position is that we are compelled to make decisions in a context of great uncertainty. We have identified a potetnial threat. Environmentalists often deride “ubridled capitalism” as the enemy but then substitute “unbridled environmentalism” in its place. There are potentially profund negative trade-offs by doing nothing AND by doing something. Those with ideological axes to grind seem unwilling to live in the tension and pronounce certainty where there is none.

    Reply

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