Green roofs are saving green dollars

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 Cities, said that flat roofs are wasted spaces. The organization is an association of the green roof and wall industry. “Roofs cover a portion of the Earth and they heat the city up like hot plates,” he said. “Building a green roof can save…