Matthew Popkin receives a majority vote from city council and is named the new representative for Ward 2 residents.

Matthew Popkin will serve as the next Ward 2 representative on the Longmont City Council. During a special meeting Tuesday, four members of the City Council – council members Shiquita Yarbrough, Aren ...

More cities are looking to green projects to fight climate change. Chicago is now powering all its municipal buildings with 100% renewable energy and the city helped finance a major solar farm.

Only one city, Houston, has a larger renewable energy deal than Chicago, according to Matthew Popkin, the cities and communities U.S. program manager at Rocky Mountain Institute, a nonprofit whose ...