4 ms·

Is that really for sure? Why?

• kiddo 17y ago
  http://en.wikipedia.org/wiki/Aviation_and_the_environment http://en.wikipedia.org/wiki/Aviation_and_the_environment
  • laut 17y ago
    http://en.wikipedia.org/wiki/Volcano#Effects_of_volcanoes http://en.wikipedia.org/wiki/Volcano#Effects_of_volcanoes
    • jarek 17y ago
      http://www.informationisbeautiful.net/2010/planes-or-volcano/ http://www.informationisbeautiful.net/2010/planes-or-volcano... (graphic if the full page won't load: http://s3.amazonaws.com/infobeautiful/planes_volcanos.png http://s3.amazonaws.com/infobeautiful/planes_volcanos.png)
      • laut 17y ago
        Very simplistic to just look at CO2. And how do you define what is good for nature?