A method, system and apparatus are provided for generating and dispersing plumes of reflective aerosols. Methods include: supplying fuel to an engine of an aircraft for combustion; supplying an additive to the fuel, where the additive includes at least one of a reflective aerosol or a precursor thereof; combusting the fuel and the additive to the fuel in the engine; and generating, in the exhaust from the engine, a plume of reflective aerosol, where the reflective aerosol reflects sunlight.