Solar cells inside displays could make for self-charging cell phones.
Dramatic changes can come from emerging technology companies partnered with large industry players.
Politicians and policy experts talk as if climate change can be an afterthought in energy policy. They should think again.
Warnings about climate change were coming half a century ago.
The Chernobyl and Fukushima nuclear accidents were failures of culture as well as technology.
Today's electric cars and wind turbines rely on a few elements that are mined almost entirely in China. Demand for these materials may soon exceed supply. Will this be China's next great economic advantage?
Metals crucial to electronics are in short supply, and so are the skills needed to solve the problem.
New energy technologies need the support of sound economic policy to prevent further damage to our climate.
Atom-thick sheets of carbon make high-energy capacitors.
Every clean-tech startup these days claims to have a breakthrough that will finally make renewable and clean energy sources cheap enough to compete with fossil fuels. But are we really on the brink of a clean-energy economy?