Forgetting for the moment the other possible deeds in the stratosphere, take for one moment the idea of planting in the stratosphere a reflecting blanket, to deflect the light from the sun. Why? To prevent Global Warming, the new WMD. But I thought the GW was due to carbons in the atmosphere introduced by so many flights .... I thought the carbon foot print was to be curtailed on a personal level ... is your journey really necessary? Find a balloon somewhere. And the other plan is to have an volcano erupt ... excuse me, volcano? I seem to remember they release noxious gases? Like .. carbon? So, the idea is to have thousands more jets spanning the world casting their plaid weave on a daily basis. Is that not defeating their object? Send for the men in white coats. I take it this will only be provided for the US and Britain, so the rest of the world can cook. I seem to remember that the atmosphere is rather widespread, like, all over the globe? If there was a hanging curtain set at our sea borders, it may work for the two insane governments, but don't planes have to cross those sea borders? I have seen a bag of Brazils less nuttier. Spare us from politicians and bureaucrats that say 'I am not an expert in these things, that is why we have consultants to advise us' .. Now where have I heard that before ...? in Truro....