PG&E

As a greenhouse gas, methane is 21 times more powerful than carbon dioxide when it comes to retaining atmospheric heat. And so, although it generally gets less face time in the press, it accounts for a disproportionately large chunk of global GHG emissions. Where does the methane come from? Cows, mostly. At the tail end (pardon the pun) of their digestive system, they release methane; either directly or through the decomposition of their waste.

As consumers become increasingly concerned about their energy use and the cost of their energy bills, energy management systems and smart electronics are growing at a rapid pace. The latest to addition to the "smart" revolution? Home appliances.

As consumers become increasingly concerned about their energy use and the cost of their energy bills, energy management systems and smart electronics are growing at a rapid pace. The latest to addition to the "smart" revolution? Home appliances.

PG&E awarded 25 schools in northern and central California with 1.3 kilowatt solar PV systems. Each system can generate enough electricity to fully power one classroom, potentially saving the schools hundreds of dollars per year.

It’s no longer entirely up to individual companies and individual investors to make solar a significant source of US electricity – rather, if it is going to happen, it is up to utilities.