As early as 1989, for instance, in an article entitled "Space-based Solar Shield to Offset Greenhouse Effect, " James T.
CNN: The shield of Ra: Could solar reflection save the planet?
The Sun's magnetic field and solar wind - mainly in the form of electrons and protons coming out of the Sun - protects the entire Solar System by acting as a sort of shield from cosmic rays (very energetic particles and radiation from outer space).
BBC: Viewpoint: The Sun and climate change
Top of the list is a solar shade, a gigantic umbrella in space that would shield the Earth from the sun's rays.
ECONOMIST: Geo-engineering
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