New save the planet scheme: ‘cocktail geoengineering’

Watts Up With That?

Could ‘cocktail geoengineering’ save the climate?

From the CARNEGIE INSTITUTION FOR SCIENCE

Geoengineering is a catch-all term that refers to various theoretical ideas for altering Earth’s energy balance to combat climate change. New research from an international team of atmospheric scientists published by Geophysical Research Lettersinvestigates for the first time the possibility of using a “cocktail” of geoengineering tools to reduce changes in both temperature and precipitation caused by atmospheric greenhouse gases.

Carbon dioxide emissions from the burning of coal, oil, and gas not only cause the Earth to get hotter, they also affect weather patterns around the world. Management approaches need to address both warming and changes in the amount of rainfall and other forms of precipitation.

So-called solar geoengineering aims to cool the planet by deflecting some of the Sun’s incoming rays. Ideas for accomplishing this include the dispersion of light-scattering particles in the upper atmosphere, which…

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