Cosmos Recap: The Big Damn Climate Change Episode

 
 We are down to the last two episodes of Cosmos: A Spacetime Odyssey, already. You can pretty much bet that this week's episode, The World Set Free, is going to be the one that gets talked about the most, and probably shown in more classrooms than any other, because after making passing mentions of it in several previous episodes, this is the one where Neil de Grasse Tyson brings out the Big Science guns and talks for the full hour about climate change. This is the episode that you can tell has probably had the most editorial meetings behind it to plan out how to make the case, firmly and clearly, that climate change is real, it's already here -- not off in some distant future -- and not only is the science not in dispute, but none of the "alternate" explanations hold water. And for the most part, it works impressively well.

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