Global dimming may mitigate warming, but could hurt crop yields
A plan to spread tiny particles in the stratosphere will involve trade-offs
SHADED PLANET Solar geoengineering proposals could combat global warming by injecting reflective particles (blue) into the atmosphere above clouds (gray). By reflecting and scattering light, the particles could cool Earth’s temperature and alter rainfall patterns. But that also could reduce the growth of crops (green).
J. Proctor and S. Hsiang
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