Sentences with phrase «sulfur aerosols in the stratosphere»
The failure to actually reduce global emissions has meant that all possibilities are now on the table, including some that sound like premises from a science - fiction novel: Humans could sequester carbon dioxide by removing it from the air through technologies that mimic trees, or we could spray water droplets in the lower atmosphere to reflect light and heat back to space, or we could seed sulfur aerosols in the stratosphere to do the same.
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Spikes in temperature are caused by major volcanic events, which push sulfur dioxide and other aerosols into the lower stratosphere.
«This doesn't necessarily mean that every eruption will be able to get sulfur dioxide into the stratosphere and form aerosols, but they are just neglected entirely in the climate models from the [Intergovernmental Panel on Climate Change],» Ridley said.
Tinkering with the Earth and its atmosphere in an attempt to fend off global warming — a.k.a. geoengineering — seems like the stuff of science fiction: Lacing the stratosphere with sulfur aerosols or whitening clouds over the ocean to reflect sunlight back into space.