Can We Keep Warm and Stay Cool Without Fossil Fuels?

Humans have come up with some clever ways of keeping cool when it's warm, and staying warm when it’s cool. But unfortunately, our heating and air conditioning systems are worsening the climate crisis. In this episode of Crash Course Climate and Energy, we’ll take a look at some of the ways we might be able to de carbonize those systems to reduce the amount of greenhouse gases they produce.