Warmist Revkin encourages everyone to emit air containing 40,000 ppm CO2

In a Fast-Forward World, a Pause to Breathe - NYTimes.com

As spring unfolds with a brief snow squall in the Hudson Valley (above), as work to stabilize the damaged nuclear plant in Japan continues and a steady stream of developments related to climate and energy flows, I’m trying to learn to pause and, as Richard Butler wrote and sang, “just breathe.”
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Give it a try, then jump back in.

CO2 Data - Associated Content from Yahoo! - associatedcontent.com

40,000 ppm: The exhaled breath of normal, healthy people.

8,000 ppm: CO2 standard for submarines