Many cities have created goals to reduce their carbon footprint over the next couple of years. One way they have found to do this is through the roofs of buildings, i.e. “green” and “cool” roofs. Find out what a green roof or cool roof is, how much they cost, their maintenance after installment and their benefits.
Proposed standards aimed at reducing greenhouse gas emissions in transportation fuels could be an economic boon to the 11 states that have agreed to work to reduce the emissions.