A NEW BUILDING IN BROOKLYN, NY CALLED THE DELTA IS ADDRESSING THESE ISSUES DIRECTLY. THE BUILDER VOLTAIC SOLAIRE HAS SHEATHED THE BUILDING WITH PHOTOVOLTAIC CELLS AND TOPPED IT WITH WIND TURBINES TO MAKE IT NET-ZEROI.E. IT CAN CREATE ALL THE ENERGY IT CONSUMES. energi effici, green roofs, green building, galleri, architectur, buildings, blog, voltaic solair, brooklyn