Geothermal energy: Hope for our energy crisis lies inside the earth | Dr. Rebecca Pearce | TEDxRRU

[Music] Our evolution is deeply connected to heat. Fire was our first great technology. With the flame, we chased out the cold, cooked food, and sought colder climates.We soon used fire to forge tools and drive industry. Today, we burn fuel to create steam and generate electricity. But burning things for energy is creating a crisis.We must urgently reduce emissions to avert climate change. Yet, our energy demand is rising. I know what you're thinking.We're screwed. But the answer is closer than you think. B ...