Columbia University researchers create an interactive map of the energy use from New York City's buildings with the hopes of identifying potential efficiency improvements and shared on-site energy systems, such as solar.

A high-profile UN panel headed by the presidents of Finland and South Africa hopes to spark an "ever-green" energy revolution later this year in Brazil using a general roadmap it presented Monday on how world leaders could wean the world off fossil fuels.

National Association of Home Builders has promised an investigation into heat-glare from window treatments

A California woman complains that her neighbor's energy-efficient windows reflect hot beams of light that melt plastic features on her Prius.

President avoids mentioning solar panel maker Solyndra's embarrassing collapse during his State of the Union address but nevertheless says it's time to "double down" on the idea.

Obama wanted to increase federal subsidies for electric vehicles to almost $590 million, but Congress never gave the green light

Even if they haven't installed a solar array in their backyard, Volt drivers could choose to recharge their plug-in hybrid with renewable energy.

A weekend hackathon generates Web and mobile apps geared at improving energy and resource efficiency with a heavy dose of social.

Energy monitoring is like fitness-tracking for your utility bill. CNET's Martin LaMonica tries a whole-house electricity monitor out and gets a read on where software and the cloud is taking home energy.

The TV that Haier recently unveiled is one of those items that stands out through more than one perk, although it is the total lack of cables that truly earned attention.Haier recently showcased a 3DTV with a diagonal of 55 inches and featuring the Wireless Home Digital Interface (WHDI) ...

The California Energy Commission takes aim at improving efficiency of battery chargers for laptops, music players, and larger battery-powered goods.

Developers can make "Energy Internet" apps that gather electricity data and control "smart" networked thermostats and appliances over a cloud-based development platform.