主題領域：水凈化、廢水處理、水回用、固體廢物處理、工業氣體中和和利用、減排、水和空氣污染控制系統、土地復墾、生態問題、環境經濟、立法和預測。

Subject area: Water purification, wastewater treatment, water reuse, solid waste disposal, neutralization and utilization of industrial gases, emission abatement, systems of water and air pollution control, land recultivation, ecological problems, environmental economy, legislation and forecasting.