1

Environmental Planning and Management

Based on environmental science, management science, economics, and decision-making science, this direction studies the theories and methods of environmental management, providing decision-making basis and methods for environmental management and decision-making at the regional, basin, and national levels. By investigating the theories and methods of coordinated environmental, economic, and social development, as well as planning practices within regions and basins, it offers planning and management theories and methods for the sustainable development of regions and basins (i.e., coordinated environmental and economic development).

2

Atmospheric Environmental Science

Relying on advanced modern environmental sampling and analysis techniques, this direction conducts high-quality observations and simulations of regional and urban air pollution, revealing the formation processes and mechanisms of atmospheric composite pollutants such as haze, PM2.5, and ozone. It assesses the impacts of air pollution on climate change and human health, proposes scientific pollution prevention strategies and plans, and provides decision support for government environmental management.

3

Water Environmental Science

Using advanced experimental and simulation methods as well as modern information technology, this direction studies water resources, water disasters, water environment, and water ecology issues faced during rapid urbanization across different scales such as residential areas, urban areas, and basins. It explores theories and methods to address these issues. Research topics include urbanization and water pollution, water ecological environments in coastal areas, water environment information technology, urban green infrastructure and low-impact development theories and methods, urban heat island effects and water cycles, water ecosystem restoration and reconstruction, global climate change and water resources management, etc.

4

Environmental Finance

Leveraging Peking University's interdisciplinary strengths, this direction studies financial instruments for environmental protection and investment and financing issues in the environmental industry. Research topics include environmental finance based on environmental protection (green finance), environmental finance based on climate change (carbon finance), environmental finance based on emerging industries (clean energy industry financial systems), low-carbon economies and environmental management tools, etc.

1

Water Pollution Control

Facing the demands of future sustainable development, this direction conducts research on water treatment theories and technologies, providing scientific and technological support for drinking water safety, water pollution control and treatment, natural water body environmental quality protection, and river ecological restoration. Key research areas include heavy metal pollution treatment and resource recovery technologies; emerging pollutants in the water environment; urban sewage treatment; high-concentration organic wastewater treatment; environmental microorganisms; new theories, processes, and materials for water environment restoration; and river and lake health guarantee theories and technologies.

2

Solid Waste Management and Resource Recovery

This direction studies solid waste pollution control and resource recovery technologies to address environmental pollution issues caused by solid waste during urban development. Utilizing bioreactors, membrane technology, pyrolysis, and electrochemistry, it focuses on research topics such as odor pollution control in waste, landfill leachate treatment and energy recovery, heavy metal pollutant monitoring, and the resource recovery and utilization technologies for construction waste, waste incineration fly ash, and municipal sludge.

3

Bioenergy Engineering

This direction focuses on addressing environmental issues while producing integrated bioenergy substances and high-value-added products. It primarily studies aquatic microorganisms and plants, combining modern technologies such as genetics and metabolic engineering to address environmental issues arising from modern economic development, such as CO2 emissions, eutrophication, and heavy metal pollution. In bio-refining systems, it explores the secondary use and revaluation of human waste to integrate the production processes of bioenergy and high-value-added products.

4

Environmental and Energy Information Engineering

Utilizing the latest information detection technologies and remote sensing methods (thermal infrared, fluorescence, hyperspectral, radar, etc.), this direction detects, processes, and analyzes multi-scale environmental and energy information from the cellular to the planetary scale using ground-based, aerial, and satellite observation platforms. It interprets the physics, biology, and environmental mechanisms within this information; integrates the latest knowledge in technology, economics, policy, and law to conduct research on efficient energy utilization. Research topics include the development of new sensors and detection technologies, the mechanisms of environmental and energy processes, environmental and energy evaluation methods, environmental and energy information modeling and systematization, green lighting engineering, green building engineering, energy efficiency policies, energy management and auditing, etc.