Manmade Global Warming - New Extremes, page-9231

I’m always fascinated with the goofs who think that .04% of something can’t be a problem, and here we are with a living example

I wonder if they've ever tried to get off a drink driving charge? .05 is 500ppm- almost the same as the level of CO2 in our atmosphere.

Tell the magistrate that such a tiny concentration is irrelevant and let us know how that one goes.