"President Obama's energy team is mandating up-front standards for smart grid technology to ensure that what is built by the disparate forces involved works and is efficient."

Summertime and the grilling is easy... but how environmentally friendly is it? Which type of grill is greener: gas or charcoal?

Tough new efficiency standards haven't killed the incandescent light bulb -- but instead are spurring inventors to make better ones.

"Los Angeles will eliminate the use of electricity made from coal by 2020, replacing it with power from cleaner renewable energy sources, Mayor Antonio Villaraigosa said."

The offshore wind farms that were to replace Germany's nuclear and coal-fired power plants aren’t coming online quickly enough.

"The US, China, and dozens of other countries are meeting [this week] in Egypt to chart the course of a new international agency aimed at promoting renewable energy."

"The Energy Department issued new standards for lighting that would save large amounts of energy by boosting the efficiency of fluorescent tubes common in office buildings and reflector lamps used in recessed fixtures in homes and retail stores."