Aerosols here doesn't mean aerosol spray cans, which (if they contain certain chemicals) can be environmentally dangerous. Aerosol here means "a suspension of solid or liquid particles in a gas". These are often produced by industry, and they cool the Earth by reflecting some of the Sun's radiation.
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Maybe we need to start using more aerosols.
Aerosols here doesn't mean aerosol spray cans, which (if they contain certain chemicals) can be environmentally dangerous. Aerosol here means "a suspension of solid or liquid particles in a gas". These are often produced by industry, and they cool the Earth by reflecting some of the Sun's radiation.