Dr. Paul S. Mankiewicz, Executive Director of the Gaia Institute, received his Ph.D. from the City University of New York/New York Botanical Garden Joint Program in Plant Sciences. He holds patents on a modular, in-vessel composting system, an ultralightweight green roof plant growth medium, and a biogeochemical reactor to breakdown dioxins and PCBs. Past president of the Torrey Botanical Society & board member of the NYC Soil & Water Conservation District and former chair of the Bronx Solid Waste Advisory Board. He has designed and built natural landscapes to remove metals, hydrocarbons and excess nutrients from runoff and wastewater, capture carbon, and to lower air conditioning and heating costs. Dr. Mankiewicz has constructed the first green roof in the Bronx, the first industrial-scale stormwater treatment meadow and green wall at Sims Recycling- a six acre truck-to-barge material handling facility on the Bronx River, the first process water/greywater treatment green roof on the Linda Tool Corporation in Red Hook, Brooklyn, the first ten of the Mayor's PlaNYC 2030 enhanced tree pits for street-side storm water capture, as well as the first community garden constructed for lead mitigation as well as storm water capture - El Jardin del Paraiso on E 4th St. on the Lower East Side.