Could thorium nuclear reactors be a better alternative to burning coal?

Should we continue to fund fusion energy research, given that it has already been pursued for over 50 years?

Is it physically and economically possible to replace fossil fuels with sunlight and wind?

Could electric cars solve the climate change problem? If not, could they help?

Can we drastically reduce our energy needs by using certain kinds of light bulbs, insulation in our walls, et cetera--or are these just feel-good measures?

What should be done with nuclear waste?

Are our power and communication networks susceptible to "electromagnetic pulse"?

IS hydraulic fracturing worth the associated risks?