Wastewater treatment plants are often the biggest consumers of electricity in their areas. Gresham, Ore., and Washington, D.C., are making moves to change that.
In a state with an economy and government reliant on diminishing oil revenue, voters will decide whether to repeal a law that's designed to spur oil development but help the at-times corrupt oil industry.
The recent discovery that the state has 96% less recoverable oil than previously thought may have helped the case for regulating instead of banning fracking.
The Arizona city is likely the only in the country to pay for wildfire prevention with bond money and is being looked to as a national model for leveraging federal funds.