Construction of the world's main demonstration power plant that will use magnetic confinement is under way at Cadarache in France.

ECONOMIST: Nuclear fusion

"Taking this major step toward cleaning up the Capitol Power Plant's emissions would be an important demonstration of Congress' willingness to deal with the enormous challenges of global warming, energy independence and our inefficient use of finite fossil fuels, " they wrote.

CNN: Washington protesters push 'clean energy,' protest coal use