A team of researchers at the Massachusetts Institute of Technology believe that we can mitigate the worst of climate change with… space bubbles. They’ve outlined a strategy in which a huge raft of bubblescarefully positioned between Earth and the Sun, would deflect sunlight (and thus heat) to stop further global warming.
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“Geoengineering might be our final and only option. Yet, most geoengineering proposals are earth-bound, which poses tremendous risks to our living ecosystem, ”a web page dedicated to the solution reads. “If we deflect 1.8% of the solar radiation incident before it hits our planet, we could fully reverse today’s global warming.”
The bubble array would be made of inflatable shields of thin silicon or another suitable material, according to the team. Thebubble cluster would be placed in outer space at a Lagrange Point, where the Sun’s and Earth’s gravitational pulls create a stable orbit. The researchers also said that if the plan becomes a reality in the future, the completed array would be roughly the size of Brazil.
They admitted that one of the main concerns with their proposal would be the logistics of fabricating a large film, transporting it into space, and then unfolding it to form the bubble raft. They suggested fabricating the spheres in outer space to minimize shipping costs.