Hongtao WANG is a Ph.D., Professor, Director, Institute of Solid Waste Control and Resource Recycling, School of Environment, Tsinghua University. "Tenth Five-Year" National High-tech Research and Development Program (863 Program) Environmental pollution control technology subject experts in the field of resources and environment. The research fields include domestic waste classification treatment technology and management system, organic solid waste resource and energy recovery and land use technology, composite hazardous waste/contaminated site treatment technology, sustainable landfill and ecological restoration technology, and environmental performance assessment of integrated solid waste management.