Climate Engineering

I've recently watched a pretty good documentary about Climate Engineering (the deliberate and large-scale intervention in the Earth’s climate system). I came across with the Spanish version, "Un Clima Mecanico" (not sure about the English title), but there seems to be quite a few other documentaries on this topic.

I thought the idea of voluntarily changing the climate or the weather for someone's benefit lied mainly in the realm of fiction (let's exclude Global Warming, that could benefit a few people at the expense of the rest of us), but indeed it was already done by the USA during the Vietnam War, in the Operation Popeye. Furthermore, it seems like the Soviet Union used to artificially clean up the skies of Moscow for the May 1st parades, amazing.

Modifiying the local weather for one or several days seems scary (causing huge storms that can damage crops, flood cities...) but modifying the climate would have a global effect, and that's terrifying. If you modify the climate to do your country more rainy others will become drier, and the same goes for the temperatures. Conflicting entities would end up in a traditional war... The documentary shows how the Soviets had a crazy plan for melting the Artic to benefit of its resources, it's sad to see that they just had to wait a few decades to let Global Warming do the job for them.

For the moment, Climate Engineering remains such a dangerous and conflictive topic that apparently governments are not supposed to promote research on it... but well, who knows what is really under the surface...