NEW YORK CITY — Construction is under way for the first phase of the Alexandria Center for Science and Technology at East River Science Park, a 3.5-acre office and laboratory park located in New York City. Phase I construction will consist of a 16-story, 319,405-square-foot office/laboratory tower. The campus will ultimately contain 1.1 million square feet of office and lab space. The project will also feature one acre of green space with views of the East River. Alexandria Center is applying for LEED certification from the U.S. Green Building Council. The project is being developed by ARE-East River Science Park LLC. Cushman & Wakefield has been named exclusive leasing agent for the project.