NEW YORK CITY-A ten-building stretch on West 135th Street in the heart of Harlem has become the neighborhood’s “greenest” block. In collaboration with private and public investment groups, developer Jonathan Rose Cos., the US Department of Housing and Urban Development, Enterprise Community Partners and the New York City Department of Housing Preservation and Development have completed a $50.8-million tenant-in-place renovation of 198 units located from 107 to 145 W. 135th Street here.