"...method of moderating planetary warming trends by temporarily increasing the concentration of sulfate aerosol particles in the lower stratosphere and thereby reducing global radiation."
Link To DARPA Report 1975 - SOVIET DEVELOPMENTS IN WEATHER MODIFICATION. CLIMATE MODIFICATION AND CLIMATOLOGY
"..within a few decades world heat production could rise from the present level of 0.2%, of the received power of the Sun to a level of 2%, thus causing a 1-1.5 C mean global temperature increase. Such a potentially harmful warming trend could, in principle, be checked by artificially increasing the planetary cloud cover."
In the same vein, the Soviet commentator alludes to the potential specter of “guided” tornadoes.
Link To Source The Institute for the Study of the Brain (sic) of the University of California is cited as engaged in research on the debilitating effect of weak vibrational fields on human behavior.