Today we look at fact and fiction in our approach to the climate challenge. A handful of scientists want to tinker with the sky in a process called geo-engineering. Others call this arrogance. Most Americans simply aren’t talking about climate change at all. Why not? Meanwhile, Hollywood has taken notice. It’s rolling out movies depicting a climate catastrophe. Science fiction thrillers describe people resorting to eating bugs after the climate apocalypse. Is truth stranger than fiction?

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