To advance the understanding and application of civil engineering with respect to sustainable development in general,and environmental  engineering and management in particular.

To advance integrated approaches to waste management,as appropriate,for different waste streams.
　
To promote the exchange of technical,scientific and professional knowledge on waste engineering and management to better serve the interests and welfare of CCES,HKIE,and CSCE members,the engineering profession in general,and the public in China,Hong Kong and Canada.