Net metering, utility rates, energy production, and weather all affect how long it takes to recoup your solar investment. Here's a few tips to shorten it.

More companies and organizations are finally putting their money where their mouth is when it comes to sustainability. Most recently, the David and Lucile Packard Foundation, which provides non-profit ...

Drones have been a hot topic in the media lately. Whether they’re for surveillance or combat, the idea of drones patrolling our airspace is one that’s not taken lightly by the public. As we struggle ...

Barcelona-based designer In-Tenta has created the Drop Eco-Hotel, a portable green living space that treads lightly on the environment and allows tenants to experience nature while surrounded by ...

Electrified vehicles are more and more on the minds of automakers, particularly in Germany, as we observed from the recent Frankfurt Auto Show a slew of announcements on concept and production models.

An Australian company with plans to build a 2,600-plus foot tower that would use the power of hot air rising to create electricity says it might have funding.

If fuel-cell vehicles are ever going to get anywhere, they'll need places to fuel up, and the public-private H2USA initiative is aimed at developing the infrastructure.

Solar water heaters come in several styles, both for home and portable use. Find the best solar water heaters here!

The 579-megawatt Antelope Valley Solar Projects, about 60 miles north of LA, enter "major construction" mode, with completion eyed for 2015.

A planned NFL stadium for the Minnesota Vikings will use new, energy-saving sustainable tactics to battle snow buildup on the roof: passive solar and gravity.

A high-end condo building on the Melbourne waterfront currently leads the pack of new wood-framed buildings.

Today, Connecticut state regulators denied permission for a developer to build a solar farm on 25 acres of land near Chatfield Hollow State Park in Killingworth, CT, a small town of 6,400 located in ...