A light-emitting diode (LED) developed at MIT operates at 230-percent efficiency. That's not a typo. LEDs will provide 70 percent of the world's general lighting by 2020. That's not a typo, either. The cleantech revolution has barely begun.
At the 20th Congress for the New Urbanism, there were many big ideas on display. The best: How to transform China into a New Urbanist showpiece, plus how to use 'tactical urbanism' and 'sprawl repair' to rebuild American cities.
The Congress for the New Urbanism is the most significant urban design movement since Levittown gave birth to the postwar suburb. Its 20th anniversary conference in Florida proved it still has plenty to say about the future of cities.
As Greenpeace attacks Apple for the coal clouds firing its data centers, green grids from Iceland to Quebec are attracting some surprising new customers. All kilowatt-hours are no longer created equal.
When Jose Canseco started lecturing about global warming on Twitter, everyone knew to laugh. So why do the leading lights of the GOP - and their enablers in the mainstream media - face less ridicule for even stupider pronouncements?
There's not a free and fair market for energy anywhere on earth. The reason Germany's solar industry is failing and America's natural gas 'fracking' business is thriving is because the markets are rigged that way.
Critics of renewable energy are obsessed with the costs and practicalities of cleantech right this instant. Visitors to Silicon Valley in the 1970s didn't see the iPhone coming, either. There are countless innovative new ideas blowing in the wind.