Startup Releasing Particles Into Atmosphere In Effort To Tweak Climate

Digital generated image of earth rising.Maps used for the octane render(https://visibleearth.nasa.gov/images/57752/blue-marble-land-surface-shallow-water-and-shaded-topography)

At a glance

  • A startup claims it has launched weather balloons that may have released reflective sulfur particles in the stratosphere, potentially crossing a controversial barrier in the field of solar geoengineering.
  • Geoengineering refers to deliberate efforts to manipulate the climate by reflecting more sunlight back into space, mimicking a natural process that occurs in the aftermath of large volcanic eruptions. In theory, spraying sulfur and similar particles in sufficient quantities could potentially ease global warming.
  • It’s not technically difficult to release such compounds into the stratosphere. But scientists have mostly (though not entirely) refrained from carrying out even small-scale outdoor experiments.
  • And it’s not clear that any have yet injected materials into that specific layer of the atmosphere in the context of geoengineering-related research.

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