News24

Cut soot, methane to curb warming

2012-01-13 10:29

Washington - An international team of scientists says it has figured out how to slow global warming in the short run and prevent millions of deaths from dirty air. And they say their proposals would save more money than it would cost.

These experts say the key is cutting emissions of two powerful causes of global warming - methane and soot. Methane is produced by landfills, farms and energy production. Soot comes from burning coal, wood and other fuels. Reducing soot would save lives.

Most governments have focused on curbing carbon dioxide, the most significant greenhouse gas, which comes from using fossil fuels.

The scientists came up with their new findings after running computer models of 400 different pollution control measures. The study is published online in the journal Science.

Comments
  • Syd - 2012-01-13 11:22

    They should realize CO2 is not the demon it is made out to be. Methane and other nasties do more damage. Plant live on CO2 so why call it harmful? Its as bad as saying plants are bad.

      Trevor - 2012-01-13 12:30

      Syd you are right CO2 is a fertilizer for plants , the problem is there are less forrested areas(rain forrest and Borreal forrests have been desimated) in the world left to absorb this surplus CO2 , so its sits in the atmosphere and traps heat! the solution to Global warming is more intricate than just gas emmissions ! population Control, deforrestation Power reform all need to be addresses simultaneoulsy

  • Trevor - 2012-01-13 12:23

    Old News ! Methane is 20 times more powerful green house gas ! The problem in curbing this is muted by the on going increase of Global temperature, as the seas and land warms methane trapped under the ocean in methyl hydrate (frozen methane) is being released faster than ever and the methane trapped in thepermafrost of the Tundra are being released as they melt too !

  • Denzil - 2012-01-13 13:07

    Methane has a large effect for a brief period (a net lifetime of 8.4 years in the atmosphere), whereas carbon dioxide has a small effect for a long period (over 100 years)

  • Zion - 2012-01-15 08:08

    The article has one wee omission. Huge amounts of raw methane are pumped into the atmosphere from most deep level mines such as coal and gold mines via the ventilation system. To separate the gasses would be a huge challenge and would be so costly it would impact on the already marginal profits the mines make. The methane could be burnt off but other gasses such as the equally obnoxious CO2 and CO will be be generated and set free into the atmosphere.

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