Comment by kiddo | Hacker News Reader

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Comment by kiddo | Hacker News Reader

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http://en.wikipedia.org/wiki/Aviation_and_the_environment

http://en.wikipedia.org/wiki/Volcano#Effects_of_volcanoes

http://www.informationisbeautiful.net/2010/planes-or-volcano...

(graphic if the full page won't load: http://s3.amazonaws.com/infobeautiful/planes_volcanos.png)

Very simplistic to just look at CO2. And how do you define what is good for nature?

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