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TED Talks
TED: How city mayors are taking action on climate change | Eric Garcetti
If you change your city, you're changing the world, says Eric Garcetti, mayor of Los Angeles and chair of C40 Cities, a network of the world's megacities committed to tackling the climate crisis. He shares tangible ways Los Angeles and...
Crash Course
Crash Course Sociology #21: Social Stratification
This video focuses on social stratification; it is the 21st episode of the sociology course. How do different societies establish a social hierarchy? This video begins a unit on social stratification, starting with four basic principles...