XVI International Botanical Congess

This thesis gives a review, evaluation and suggestions for controlling non-combution particulate in Shaanxi and Xi'an with some measures especially including Green Ecology to Xi'an, China. Existing measures for controlling non-combustion particulate sources in Shaanxi including Green Ecology have been reviewed. Existing green Ecology and other possible applications taking place in other areas and the cost-effectiveness of vegetation and other possible control applications in other areas have been evaluated, too.