Will the electricity grid become optional?

New RMI report identifies when and where solar-plus-battery systems could help customers defect from utilities affordably. Read More

4 reasons the Ivanpah plant is not the future of solar

BrightSource Energy’s new project is the world's largest solar thermal plant. But is it the best model for sustainable energy in the desert Southwest? Read More

State of Green Business: Energy storage becomes a game-changer

Tech and economic forces are helping to shape a low-carbon energy future. Read More

Why you’ve never measured your carbon footprint

Most carbon calculators fail, providing a big opportunity for companies to spur consumer behavior with apps that engage and inspire. Read More

Why a small German village bet big on renewables

The rural town of Feldheim has become a surprising leader in clean energy. Read More

10 reasons health care needs sustainability treatments

By implementing more healthful policies, hospitals can benefit more than patients, employees and local communities. Read More

Which country leads in wind generation?

Hint: It's not Denmark or Germany. Read More

Silver Spring Networks delivers an app store for utilities

Imagine if an app could talk with sensors in a power meter, apartment building or highway, displaying data in real time. Read More

Why is Hawaii scaling back on solar?

Has rooftop solar become too hot in Hawaii? As one utility eases up on installations, other states should brace for the rise of solar. Read More

Ice911: Buying time for green innovation

This little-known nonprofit is working to rebuild the multi-year reflective "bright ice" in the Arctic, in order to slow the Arctic melt. Read More