Global Warming Hoax

[BlackCrypt]

Holy shit, we are killing Marvin the Martian also!!!

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http://www.heartland.org/policybot/r...ml?ArtId=17977

[n2tattoos.lol]

i'm with striker, i don't believe global warming either. 300 years of industrialized society vs. 4.5 billion years is just not enough of an accurate comparison. yes, we pollute. yes, we dump chemicals and all sorts of shit into the ground and ocean. the ocean has too much water (3.612 x 10?? gallons) to take a few samples and extrapolate to a global crisis. that's like taking the temp in CA, ID and AL and finding an avg temp for the US...it's just not accurate. same goes for the air. unless you take millions of samples on a yearly basis around the entire planet, i would say any numbers are just guesstimates.

[ms. cellany]

As someone who studies climate change, this thread makes me want to start a "Global Warming Hoax Hoax" thread.

[Striker]

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See, this is the problem with people like you. You have no argument for the topic at hand; global warming and whether or not humans are to blame. Instead, the whole basis for your view point is "Well humans spew pollution into the environment so we MUST be the cause." The question isn't whether humans pollute and whether or not we should do anything to cut back or stop; it's are humans responsible for global warming.

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Not to mention that the technology that allows us to take all those measurements hasn't been around very long; esp when you compare it to the amount of time humans have been around or the Earth has been around. That's like saying that one person that is born deformed shows that the entire human gene pool is corrupt.

[n2tattoos.lol]

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so is it us, nature or both?

[TheSNakE]

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If I wanted to write a thesis about global warming I would save it for school. Even if I presented the evidence I am sure you wouldn't believe it. There is no doubt natural climate changes are a factor, but to deny our involvement and to ignore the problem is just plain ignorance, or indifference. I'm not sure which one is worse.

[ms. cellany]

In my (well-researched) opinion, it's a bit of both, but human activities have sped up a warming cycle to the point that nature does not have time to acclimate.

Some facts:

Eleven of the last twelve years (1995-2006) rank among the twelve warmest years in the instrumental record of global surface temperature (since 1850).

Average Northern Hemisphere temperatures during the second half of the 20th century were very likely higher than during any other 50-year period in the last 500 years and likely the highest in at least the past 1300 years.

Global average sea level has risen since 1961 at an average rate of 1.8 [1.3 to 2.3] mm/yr and since 1993 at 3.1 [2.4 to 3.8] mm/yr, with contributions from thermal expansion, melting glaciers and ice caps, and the polar ice sheets.

Of the more than 29,000 observational data series, from 75 studies, that show significant change in many physical and biological systems, more than 89% are consistent with the direction of change expected as a response to warming.

The solar cycle accounts for some of the temperature rise since 1900, it fails to explain a rise of 0.4 C since 1980 (which is due to the heat being retained in our atmosphere).

The CO2 molecule is a greenhouse gas because of its dipolar characteristics which absorb and radiate the infrared energy (1/3 the wavelength of a microwave). The effects of infrared energy on dipolar molecules are also virtually undisputed. CO2 is a proven planet warmer, and has increased from less than .03% (280 ppm) to .04% (390 ppm) in the last two decades without any signs of decreasing.

Global atmospheric concentrations of CO2, methane (CH4) and nitrous oxide (N2O) have increased markedly as a result of human activities since 1750 and now far exceed pre-industrial values determined from ice cores spanning many thousands of years.



Okay, I'm done for now, but I have more. I'm happy to list citations of where this all came from. If anyone is interested, let me know. BTW, I study affects of climate change on biodiversity in intertidal habitats.

[Striker]

http://www.dailytech.com/Temperature%20Monitors%20Report%20Worldwide%20Glob al%20Cooling/article10866.htm


I'm not saying that you people don't have valid points, and yeah pollution is bad and we should try to limit and find alternatives, but I believe that the sun has a MUCH larger impact on global temperature then man made 'greenhouse' gases do and therefore I don't believe that humans are the cause of global warming. Which is what I've been saying the whole time.

[riserox33]

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man oh man do i ever agree with you. Better to be safe then sorry. And even if you don't believe in global warming, whats the harm in recycling to avoid yet another landfill, or a hybrid vehicle, or even a gas vehicle that gets 40+ miles a gallon (i.e:smart car) EVEN better, public transportation. You would be surprised how many barrels of oil are saved each year by using public transportation. Whether global warming is a hoax.... It's not for me to say, but if being safe means recycling, riding a bike to work (which would save me money) then why not.

[n2tattoos.lol]

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these are all probably true and since i don't know shit, i won't dispute it. but see, and here's my problem, i read something like this and it doesn't tell me anything. the inference is that it's human caused and most people will see it that way. but have there ever been other warm decades before 1850? cuz 1850-2008 seems like an awful short period compared to the age of the earth.

at any rate, should we be worried? is san diego going to be underwater?