The weather we have seen just hit four states; especially Kentucky, has me wondering if the war we are fighting includes top-secret, weaponized weather.
Or could it possibly have to do with current, NON-man-made, cycle our planet is going through, that has our planet's weather changing due to the temporary, weakening magnetic field, and the coming magnetic excursion?
It IS simple. Discussion of a plan for potential future activities is not evidence of past and ongoing activities. (Talk is cheap. Inaction speaks louder than words.)
In any case, what he is proposing to do is most probably ineffectual to the point of irrelevance. Nothing can beat the amount of crap (including sulfates) thrown into the atmosphere by volcanic eruptions, but we have successfully come out of all of their effects.