Fuel cells: A $2 billion secret of the clean economy

While the expectation was that fuel cells would take off as an alternative fuel source for autos, they have created a $2 billion market for themselves, off road. Read More

If I was right, why was I fired?

The outgoing CEO of NRG has a very specific answer, and it has little to do with short-term stock prices. Read More

How microgrids are bringing power to rural Kenya

Small-scale microgrids promise to bring electricity to the 1.3 billion people worldwide who currently lack it. Read More

The future of freight: More shipping, less emissions?

With 47,000 ships and 3 million trucks transporting goods around the world, opportunities to reduce our impact abound. Read More

How water could fix utility energy storage woes

High-tech batteries may be garnering the headlines, but utilities from Spain to China are relying on pumped storage hydroelectricity to overcome intermittent wind and solar. Read More

David Crane's farewell letter to NRG employees

The visionary CEO, passionate as ever about a clean-energy future, bids adieu. Read More

20 for '30: Imagining sustainability in 2030

What lies ahead! From Building Robotics and El Paso to Google and NASA, thought leaders look ahead. Read More

Congress extends the renewable investment tax credit: What now

The extension of the Production Tax Credit and Investment Tax Credit could mean a 56 percent boost to the renewable energy industry over five years. Read More

The business benefits of the climate fight

Climate change impacts won't leave any industries untouched, and many firms are profiting from building resilience into their business models. Read More

Two futurists on life in a climate-constrained world

How might global temperature rise, geoengineering and low-carbon transportation affect society — and the economy — as we know it? Read More