Why does the space shuttle returning to Earth cause two separate sonic booms?
Climate Change is a hot topic, but we hear conflicting reports on the seriousness of the issue. Some say it is a grave danger, and could severely disrupt life on Earth. Others say it is a conspiracy, and that the dangers are way overblown.
What's the truth? In order to form your own opinion, you need to understand the basic physics underlying Climate Change. I discuss this physics in nontechnical language, and give you the tools to make your own judgment about Climate Change.
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