Health and environmental change in urban areas 并列题名：Health and environmental change in urban areas Ecological and environmental risk management in urban areas 并列题名：Ecological and environmental risk management in urban areas health and environmental risks Climatic,hydrologic and environmental change in Poyang lake basin Global environmental change and health 并列题名：Climatic,hydrologic and environmental change in Poyang lake basin Resources and environmental changing in the process of urbanization exploring environmental change /