(NewsCore) - We've all heard of the ravaged rain forests and the plight of the polar bear. But as far as reasons for saving the planet go, the one offered by scientists Thursday is truly out of this world.
A team of American researchers have produced a range of scenarios in which aliens could attack the earth, and curiously, one revolves around climate change.
They speculate that extraterrestrial environmentalists could be so appalled by our planet-polluting ways that they view us as a threat to the intergalactic ecosystem and decide to destroy us.
The thought-provoking scenario is one of many envisaged in a joint study by Penn State and the NASA Planetary Science Division, entitled "Would Contact with Extraterrestrials Benefit or Harm Humanity? A Scenario Analysis."
It divides projected close encounters into "neutral," those that cause mankind "unintentional harm" and, more worryingly, those in which aliens do us "intentional harm."
"ETI could attack and kill us, enslave us, or potentially even eat us. ETI could attack us out of selfishness or out of a more altruistic desire to protect the galaxy from us. We might be a threat to the galaxy just as we are a threat to our home planet," it warns. (Read more)
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