Chicago Says It Will Make All City Buildings 100 Percent Renewable By 2025
The Windy City wants to switch its municipal buildings entirely to clean energy in eight years.
Meredith Rutland Bauer
How Elon Musk’s Super-Efficient Rooftop Panels Will Help US Solar Thrive
As an important tax credit fades, it's imperative that companies like SolarCity make big moves to help solar survive.
GE's New 'UFO' Dome Promises to Make Wind Turbines More Powerful
A new dome-shaped add-on to wind turbines may help them generate more power and bring construction costs down in the process.
Guess Who Most Accurately Predicted the Clean Energy Market Boom
The world's most sophisticated, well-paid energy analysts all drastically underestimated the growth in renewable power. One group didn't.
How Solar Power Could Become the World's Dominant Energy Source in 35 Years
By 2050, the sun could be the main source of electricity for human civilization.
Why the World's Biggest Hydroelectric Dam Is Still an Environmental Disaster
It's worth wondering if Three Gorges Dam can ever really be a net positive.