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Should we block out the sun to stop climate change? | NASA's Michelle Thaller

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Read more at BigThink.com: Follow Big Think here: YouTube: http://goo.gl/CPTsV5 Facebook: https://www.facebook.com/BigThinkdotcom Twitter: https://twitter.com/bigthink Lisa, I share your concern about climate change. This is something that’s one of the biggest challenges that humanity has ever faced, and it’s something that in the next couple of decades and centuries we’re going to have to really band together and work together to solve. And when you ask a question like you did, about “how might you solve climate change,” it actually gives me a lot of hope because it means that young people like you are really starting to think about ideas...
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