Energy and water.
Update, 2017-07-19: The Solver
Elon Musk at the National Governors Association conference last week:
- It is possible to supply every electron needed to keep America humming by covering just 100 square miles with solar panels.
- “The batteries you need to store the energy, to make sure you have 24/7 power, is 1 mile by 1 mile. One square mile. That’s it.”
- “People talk about fusion and all that, but the sun is a giant fusion reactor in the sky. It’s really reliable. It comes up every day.”
- “We’ll need to be a combination of utility-scale solar and rooftop solar, combined with wind, geothermal, hydro, probably some nuclear for a while, in order to transition to a sustainable situation”
- “People do not like transmission lines going through their neighborhood, they really don’t like that, and I agree”
- “Rooftop solar, utility solar — that’s really going to be a solution from the physics standpoint. I can’t really see another way to really do it.”
You can watch the keynote below:
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