主题词：Heavy metals in environment; Energy, Environment, Economic Growth; Integrated Water Resources Management; Water Quality and Pollution Assessment; Regional Development and Environment; Air Quality and Health Impacts; Botany and Plant Ecology Studies; Water Quality Monitoring and Analysis; Soil Carbon and Nitrogen Dynamics; Land Use and Ecosystem Services; Adsorption and biosorption for pollutant removal; Environmental Impact and Sustainability; Toxic Organic Pollutants Impact; Agriculture, Soil, Plant Science; Aquatic Ecosystems and Phytoplankton Dynamics; Environmental Quality and Pollution; Wastewater Treatment and Nitrogen Removal; Hydrology and Watershed Management Studies; Vehicle emissions and performance; Remote Sensing and Land Use; Geochemistry and Geologic Mapping; Environmental Changes in China; Air Quality Monitoring and Forecasting; Mercury impact and mitigation studies; Constructed Wetlands for Wastewater Treatment