|Monday, Mar 12, 2012 - 4:00 AM
"Green Roofs and Rooftop Gardens - The Sky's The Limit"
Chicago, IL and Charlotte, NC. One of the biggest global opportunities we have to positively impact our carbon footprint is to plant "green roofs". Rooftops across America and the planet offer nearly untapped, limitless space to plants perennials, shrubs, even trees that can cool the air in and above our homes and offices, absorb carbon dioxide, return oxygen, reduce runoff, filter pollutants and provide habitats for birds and other wildlife. D