What's the back up plan?

What will be the best energy source?

Natural gas Solar and wind Conventional nuclear Closed cycle nuclear biofuels, tidal, etc All of the above except conventional nuclear

Which has the most energy return on energy invested (EROEI)?

Hydrogen Li-ion class of batteries Methanol, ethanol, etc

Which is the best rechargeable battery?

Lead Acid NiMH LiFePO4

Using solar panels and batteries, what percent of Earths
land surface is needed to power 10 billion people at a
Western standard, including electric transportation?

0.02 0.2 2 20 Not possible

About how many CUBIC miles (km) of coal and oil
has humanity already burned?

1 (4) 10 (42) 100 (417)

Using an advanced molten salt reactor, how much thorium
is needed to power all the energy needs for an entire
lifetime of an average American?

Size of a pea Size of a ping pong ball Size of a baseball Size of a basketball

How many people could Earth support comfortably
if we had unlimited energy?

About a billion, we already past Earth's ability! About 10 billion, Earth can handle just barely more than our current population. About a thousand billion, with science anything is possible!

Feel free to have your say!

Wufoo