Marine Cloud Brightening

  • Australia's Reef Restoration and Adaptation Program is investigating cloud brightening to reduce coral bleaching in the Great Barrier Reef.
  • British cloud physicist John Latham proposed cloud brightening in 1990 to counteract global warming by brightening clouds over susceptible ocean regions.
  • The technology involves spraying microscopic seawater droplets into the air, mimicking sea salt aerosol generation by wind and waves.
  • Sea salt enhances cloud brightness and provides additional shade by scattering light.
  • Unintentional aerosol releases from human activities currently offset around 30% of the warming effect from greenhouse ....
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