![Renewable Revolution: A Michigan City Looks to Leave Fossil Fuels Behind](https://cole-tpomag.imgix.net/https%3A%2F%2Fwww.tpomag.com%2Fuploads%2Fimages%2Fgrandrapids1.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=620&ixlib=php-1.1.0&q=75&w=1024&s=928b698d8effb51291a56154a496bce5)
An artist’s rendering shows the Grand Rapids biodigestion facility, which is under construction. The three digesters are the cylinders in the foreground.
When the city of Grand Rapids, Michigan, committed to achieve 100 percent renewable energy by 2025, Mike Lunn knew the water utility would need to make big plans for conservation and energy production.
As in most cities, drinking water production and wastewater treatment in this...