Global warming (fiction)
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I'm going to make this very simple because all of the writeups in this node are already way too long.
Yes, we can say with a good deal of certainty that average global temperatures are increasing. What we cannot say is that humans are "one of the main causes" of this, as the noders above me have so casually stated.
The root of my argument lies in the science behind the [greenhouse effect]. The greenhouse effect is the idea that certain gases, known as "[greenhouse gases]", enter our atmosphere and trap sunlight and heat energy from the sun, which subsequently increases temperatures. This much I can agree with. The real crux of this issue is what percentage of the greenhouse effect can be attributed to humans.
The percentage number is .28% ([http://www.geocraft.com/WVFossils/greenhouse_data.html|source]). That is, about one quarter of a percentage of the greenhouse effect is caused by all man made greenhouse gases, and this number includes ALL greenhouse gases we create, not just carbon dioxide.
This is mainly because the number one most abundant and most planet-warming greenhouse gas out there is...
WATER VAPOR! 95% of the total greenhouse effect can be attributed to water vapor. Carbon dioxide is number two, with 3.6% of the greenhouse effect being attributed to it, but keep in mind that MAN-MADE CARBON DIOXIDE CONTRIBUTES .117% OF THE GREENHOUSE EFFECT. The other 3.5% comes from nature. Every animal AND PLANT that exists creates carbon dioxide. Saying deforestation causes global warming is ridiculous, because although trees do absorb carbon dioxide when they create sugars by photosynthesis, they also exhale carbon dioxide when they respirate (burn those sugars they made). Next on the list is nitrous oxide, which nature creates in far greater quantities than mankind ever has, and methane, which comes from decaying organic matter on the floors of your precious forests, and the buttholes of animals all over the world.
It is the height of blind naivety to even suggest that man-made greenhouse gases are warming the planet up.
Oh yeah, and about this "[Kyoto Treaty]" that everyone above me seems to be so keen on supporting, let me quote exactly from my source website above:
I can't believe that I'm the first person on this site to be saying any of this.