||It's the only issue that matters.
Instead of drilling for oil, causing inevitable oil spills, coal mines ruining valleys, oil wars and oil dictators:
The unused rooftops of America can provide more than all the energy we use now
-- even if all cars were plug-in and all trains ran on electric.
Put oil and coal drillers, and others, to work building and installing solar panels,
and building plug-in cars. Batteries, after 100K or 200K miles, can be remelted to make new batteries, no new