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The concept of geoengineering -- defined as "the deliberate large-scale intervention in the Earth's climate system, in order to moderate global warming" or, less formally, "hacking the planet" -- is becoming more popular given current fears about climate change and its effects. A new study published in Environmental Research Letters examines, from a cost-benefit perspective, several different approaches to cool the planet, each of which come under the category of solar radiation management (SRM).More expensive and fanciful schemes involve using guns, rockets, and even airships. The oddest idea -- a 20-km pipe used to inject particles from the ground -- is also the one that came closest to taking place, until conflicts of interests surfaced that caused a demonstration experiment to be cancelled.

Oh I didn't know about that. thats a completely new topic for me. Well thank you so much for sharing us that wonderful information in this forum.

Well, this is something new to hear about.Hacking the planet seems and sounds awfully funny.But if it is for the welfare of our planet then I support it.