BIOENERGY
No matter how you spin it, the business of raw sewage isn’t sexy. But in Colorado, the city of Grand Junction is making huge strides to reinvent their wastewater industry – and the result is like finding a diamond in the sludge.
SOLAR
Solar panels on the rooftops of homes might be the most visible, and emblematic, form of solar energy. But it’s the solar panels that make up the sprawling farms built on the ground in remote regions of the U.S., selling energy to utilities and big companies that are driving the boom in the solar industry overall this year.