New York could save $100 million a year just by painting the roofs of skyscrapers white. This and other energy saving options are considered by Worldchanging.
Technorati tag: Energy Efficiency, Green roofs
New York could save $100 million a year just by painting the roofs of skyscrapers white. This and other energy saving options are considered by Worldchanging.
Technorati tag: Energy Efficiency, Green roofs