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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?


To: Tenchusatsu who wrote (313206)11/30/2006 12:18:06 PM
From: Alighieri  Read Replies (3) | Respond to of 1572505
 
And that is considered statistically significant? Wow, I wish I could have noticed that extra 1.13 degrees Fahrenheit when I had to endure the bitter cold winds and snowstorms going to college there.

Tenchusatsu


For an educated man you seem pretty blockheaded.
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Is global warming already happening?


Yes. The IPCC concluded in its Third Assessment Report, "An increasing body of observations gives a collective picture of a warming world and other changes in the climate system." The kinds of changes already observed that create this consistent picture include the following:

Examples of observed climatic changes

* Increase in global average surface temperature of about 1°F in the 20th century
* Decrease of snow cover and sea ice extent and the retreat of mountain glaciers in the latter half of the 20th century
* Rise in global average sea level and the increase in ocean water temperatures
* Likely increase in average precipitation over the middle and high latitudes of the Northern Hemisphere, and over tropical land areas
* Increase in the frequency of extreme precipitation events in some regions of the world

Examples of observed physical and ecological changes

* Thawing of permafrost
* Lengthening of the growing season in middle and high latitudes
* Poleward and upward shift of plant and animal ranges
* Decline of some plant and animal species
* Earlier flowering of trees
* Earlier emergence of insects
* Earlier egg-laying in birds

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Al