LANSING As cities continue to expand, the amount of unused rooftop space grows too. Steven Peck, the founder and president of Green Roofs for Healthy Citi
As cities continue to expand, the amount of unused rooftop space grows too.
Steven Peck, the founder and president of Green Roofs for Healthy Cities, said that flat roofs are wasted spaces. The organization is an association of the green roof and wall industry.