Brazil’s Geography Problem

This video was made possible by Skillshare. Learn from 21,000 classes for free for two months at https://skl.sh/wendover3. There are plenty of lines you can draw on the globe but perhaps none is more consequential than the equator. Of the 15 wealthiest countries in the world as measured by GDP per capita, all are in the northern hemisphere. Only 800…

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The Nuclear Waste Problem

This video was made possible by Brilliant. Learn to think like a scientist for 20% off by being one of the first 500 people to sign up at the link in the description. Nuclear energy is one of the cleanest, most efficient, and most available sources of power on earth. To generate one kilowatt hour of energy—the amount an American…

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