Republican lawmakers argue for the innocuous nature of atmospheric carbon dioxide, as evidenced by the fact that we "breathe" it.
Because we are plants.
And then there's this:
"Do you have any evidence in your findings of illness or death caused by exposure to too much CO2? We have that for SO2, and for mercury; even ozone we know exacerbates asthma, but we don't have that for CO2."
Rep. Joe Barton
April 22, 2009
Never mind EPA Administrator Lisa Jackson being unable to produce a satisfactory response; the fact is, Congressman Barton, with a dozen ounces of propane gas, a used "Mr. Heater", a CO2 partial-pressure meter and a wet towel under the bathroom door you could quickly remedy this apparent defecit in medical science.