geoengineering explained: the benefits and challenges of space reflectors

Space reflectors, a form of solar radiation management [SRM], are sun shields positioned in space in order to reduce the amount of solar energy reaching the earth.

Options include placing mirrors around the earth, placing millions of reflectors between the earth and the sun where the gravitational attraction between the two bodies is equal, launching a “cloud” of trillions of refracting discs, or launching a sunshade of mesh aluminum threads.

see also:

Question: What is geoengineering?

Albedo Enhancement

Stratospheric Aerosols

Afforestation
Ambient Air Capture
Biochar
Bioenergy Capture and Sequestration
Ocean Fertilization
Enhanced Weathering
Ocean Alkalinity Enhancement

source:

Physics, I. I., RSC, & Engineering, T. R. (2009, July 15). Geoengineering: challenges and global impacts.

photo credit:

Lackner M. (2017) Geoengineering for Climate Stabilization. In: Chen WY., Suzuki T., Lackner M. (eds) Handbook of Climate Change Mitigation and Adaptation. Springer, Cham.

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