View Poll Results: Is Global Warming a myth?

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  • Yes, explain

    52 34.44%
  • No, Explain

    99 65.56%
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Thread: Is Global Warming a myth?

  1. #511
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    Re: Is Global Warming a myth?

    Quote Originally Posted by Ethereal View Post
    Care to provide some evidence that human CO2 emissions are having a significant effect on global temperatures? All you have offered thus far is theorizing and speculation; I'd like some hard data to support your inferences.
    Have you missed everything I've said?

    The CO2 emissions do not have the significant effect on climate, it is the increase in water vapor that has it. CO2 simply has to start this reaction, and then it keeps going.
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    Re: Is Global Warming a myth?

    Quote Originally Posted by repeter View Post
    The CO2 emissions do not have the significant effect on climate...
    Then there's no need to regulate CO2 emissions.

  3. #513
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    Re: Is Global Warming a myth?

    Quote Originally Posted by Ethereal View Post
    Care to provide some evidence that human CO2 emissions are having a significant effect on global temperatures? All you have offered thus far is theorizing and speculation; I'd like some hard data to support your inferences.
    At least I give you credit for recognizing that global warming is happening. That puts you a step up from the dolts in this country that think its not, despite the overwhelming scientific evidence and visual proof that is.

    Here is the science behind man's contribution to global warming:

    "The skeptic argument...

    "There is no actual evidence that carbon dioxide emissions are causing global warming. Note that computer models are just concatenations of calculations you could do on a hand-held calculator, so they are theoretical and cannot be part of any evidence." (David Evans)


    What the science says...

    Direct observations find that CO2 is rising sharply due to human activity. Satellite and surface measurements find less energy is escaping to space at CO2 absorption wavelengths. Ocean and surface temperature measurements find the planet continues to accumulate heat. This gives a line of empirical evidence that human CO2 emissions are causing global warming.

    The line of empirical evidence that humans are causing global warming is as follows:
    We're raising CO2 levels

    Human carbon dioxide emissions are calculated from international energy statistics, tabulating coal, brown coal, peat, and crude oil production by nation and year, going back to 1751. CO2 emissions have increased dramatically over the last century, climbing to the rate of 29 billion tonnes of CO2 per year in 2006 (EIA).

    Atmospheric CO2 levels are measured at hundreds of monitoring stations across the globe. Independent measurements are also conducted by airplanes and satellites. For periods before 1958, CO2 levels are determined from air bubbles trapped in polar ice cores. In pre-industrial times over the last 10,000 years, CO2 was relatively stable at around 275 to 285 parts per million. Over the last 250 years, atmospheric CO2 levels have increased by about 100 parts per million. Currently, the amount of CO2 in the atmosphere is increasing by around 15 gigatonnes every year."

    CO2 traps heat

    According to radiative physics and decades of laboratory measurements, increased CO2 in the atmosphere is expected to absorb more infrared radiation as it escapes back out to space. In 1970, NASA launched the IRIS satellite measuring infrared spectra. In 1996, the Japanese Space Agency launched the IMG satellite which recorded similar observations. Both sets of data were compared to discern any changes in outgoing radiation over the 26 year period (Harries 2001). What they found was a drop in outgoing radiation at the wavelength bands that greenhouse gases such as CO2 and methane (CH4) absorb energy. The change in outgoing radiation was consistent with theoretical expectations. Thus the paper found "direct experimental evidence for a significant increase in the Earth's greenhouse effect". This result has been confirmed by subsequent papers using data from later satellites (Griggs 2004, Chen 2007).

    When greenhouse gases absorb infrared radiation, the energy heats the atmosphere which in turn re-radiates infrared radiation in all directions. Some makes its way back to the earth's surface. Hence we expect to find more infrared radiation heading downwards. Surface measurements from 1973 to 2008 find an increasing trend of infrared radiation returning to earth (Wang 2009). A regional study over the central Alps found that downward infrared radiation is increasing due to the enhanced greenhouse effect (Philipona 2004). Taking this a step further, an analysis of high resolution spectral data allowed scientists to quantitatively attribute the increase in downward radiation to each of several greenhouse gases (Evans 2006). The results lead the authors to conclude that "this experimental data should effectively end the argument by skeptics that no experimental evidence exists for the connection between greenhouse gas increases in the atmosphere and global warming."

    From 1970 to 2003, the planet has been accumulating heat at a rate of 190,260 GigaWatts with the vast majority of the energy going into the oceans. Considering a typical nuclear power plant has an output of 1 GigaWatt, imagine 190,000 nuclear power plants pouring their energy output directly into our oceans. What about after 2003? A map of of ocean heat from 2003 to 2008 was constructed from ocean heat measurements down to 2000 metres deep (von Schuckmann 2009). Globally, the oceans have continued to accumulate heat to the end of 2008 at a rate of 0.77 0.11 Wm−2, consistent with other determinations of the planet's energy imbalance (Hansen 2005, Trenberth 2009). The planet continues to accumulate heat.

    So we see a direct line of evidence that we're causing global warming. Human CO2 emissions far outstrip the rise in CO2 levels. The enhanced greenhouse effect is confirmed by satellite and surface measurements. The planet's energy imbalance is confirmed by summations of the planet's total heat content and ocean heat measurements."
    Empirical evidence that humans are causing global warming
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    Re: Is Global Warming a myth?

    Quote Originally Posted by Ethereal View Post
    Then there's no need to regulate CO2 emissions.
    You're just arguing now because you have too much pride to say you were wrong. This debate is over, unless you have something real to contribute.
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    Re: Is Global Warming a myth?

    Quote Originally Posted by repeter View Post
    You're just arguing now because you have too much pride to say you were wrong. This debate is over, unless you have something real to contribute.
    Companies that were willing to help with climate bills are now bowing out.


    BP, ConocoPhillips and Caterpillar Pull Out of Climate Partnership - WSJ.com

    Three big companies quit an influential lobbying group that had focused on shaping climate-change legislation, in the latest sign that support for an ambitious bill is melting away.

    Several companies are quitting an influential lobbying group focusing in on legislation, despite the administratin's push to use the budget to pass greenhouse gas legistlation. WSJ's Grainne McCarthy reports in the News Hub.

    Oil giants BP PLC and ConocoPhillips and heavy-equipment maker Caterpillar Inc. said Tuesday they won't renew their membership in the three-year-old U.S. Climate Action Partnership, a broad business-environmental coalition that had been instrumental in building support in Washington for capping emissions of greenhouse gases.

    The move comes as debate over climate change intensifies and concerns mount about the cost of capping greenhouse-gas emissions.

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    Re: Is Global Warming a myth?

    Quote Originally Posted by repeter View Post
    You're just arguing now because you have too much pride to say you were wrong. This debate is over, unless you have something real to contribute.
    You said human CO2 emissions do not have a significant effect on climate. That's what you said. Have you forgotten what you said already? It was like ten minutes ago.

    So, if...

    Quote Originally Posted by repeter View Post
    ...CO2 emissions do not have the significant effect on climate...
    ...then there is no need to regulate CO2 emissions. I'm just using your words. Do you have something against your own words?

    ...

    Let's try this again - maybe this time you'll avoid falling face-first into a big pile of fail...

    You said human CO2 emissions caused the increase in water vapor which in turn caused the Earth to heat up significantly via the greenhouse effect.

    I asked you to provide some evidence that this was the case. You failed to provide any such evidence and instead speculated and theorized and attempted to pass a rudimentary description of a well-known process off as evidence.

    Regurgitating Al Gore's AGW talking points is not the same thing as providing evidence to support your conclusions. As soon as you learn the difference, you'll cease being a snide and smug teenager who presumes to educate his elders about basic science...

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    Re: Is Global Warming a myth?

    Quote Originally Posted by Catawba View Post
    Direct observations find that CO2 is rising sharply due to human activity. Satellite and surface measurements find less energy is escaping to space at CO2 absorption wavelengths. Ocean and surface temperature measurements find the planet continues to accumulate heat. This gives a line of empirical evidence that human CO2 emissions are causing global warming.
    Just because two things happen at the same time does not mean they are causally linked. This is a basic principle of science.

  8. #518
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    Re: Is Global Warming a myth?

    Quote Originally Posted by Ethereal View Post
    Just because two things happen at the same time does not mean they are causally linked. This is a basic principle of science.
    This is not coincidental, this cause and effect, as the report above shows:

    "According to radiative physics and decades of laboratory measurements, increased CO2 in the atmosphere is expected to absorb more infrared radiation as it escapes back out to space."

    Let's see your science that refutes radiative physics and decades of laboratory measurements.
    Treat the earth well: it was not given to you by your parents, it was loaned to you by your children. We do not inherit the Earth from our Ancestors, we borrow it from our Children. ~ Ancient American Indian Proverb

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    Re: Is Global Warming a myth?

    Quote Originally Posted by Catawba View Post
    This is not coincidental, this cause and effect, as the report above shows:

    "According to radiative physics and decades of laboratory measurements, increased CO2 in the atmosphere is expected to absorb more infrared radiation as it escapes back out to space."

    Let's see your science that refutes radiative physics and decades of laboratory measurements.
    Just because two things happen at the same time does not mean they are causally linked. This is a basic principle of science.

    In order to establish causation you must control for any and all confounding variables; this means holding them constant and observing the relationship between the two variables you suspect are causally linked.

    Show me some hard data to support your speculation, otherwise, stop regurgitating the same Al Gore talking points that repeter is so fond of...

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    Re: Is Global Warming a myth?

    Quote Originally Posted by Ethereal View Post

    In order to establish causation you must control for any and all confounding variables; this means holding them constant and observing the relationship between the two variables you suspect are causally linked.
    They did that, the have eliminated the other sources of significant natural sources of C02, such as volcanic action or solar activity. They were at a minimum during this warming period.

    Show me some hard data to support your speculation, otherwise, stop regurgitating the same Al Gore talking points that repeter is so fond of...
    I did above, and you have provided nothing to refute it except your opinion. Show me your studies that refutes radiative physics and decades of laboratory measurements.
    Treat the earth well: it was not given to you by your parents, it was loaned to you by your children. We do not inherit the Earth from our Ancestors, we borrow it from our Children. ~ Ancient American Indian Proverb

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