Greenhouse gases

  1. why are scientists now more concerned about carbon dioxide as a greenhouse gas rather than methane for example?
    many thanks,
     
  2. jcsd
  3. SteamKing

    SteamKing 8,288
    Staff Emeritus
    Science Advisor
    Homework Helper

    Because more carbon dioxide is generated from biological sources (animal respiration) and the combustion of fossil fuels on an annual basis than methane is. At least with mineral methane (natural gas), you can burn it to make more carbon dioxide.
     
Know someone interested in this topic? Share a link to this question via email, Google+, Twitter, or Facebook