城市环境安全已成为当前环境问题的新热点。文章在分析北京当前所存在的环境不安全因素的基础上，提出北京城市环境安全及突发重大环境灾害应急行动预案研究。内容包括：北京城市环境安全研究；北京市环境灾害综合区划研究；北京市环境灾害管理决策咨询信息系统研究；北京城市气象灾害的防御及应急救援行动预案研究；应用GIS技术进行北京森林防火的研究；北京市沙尘暴的成因及防治对策研究；北京市健康安全与卫生防疫研究；北京市地震灾害防御研究；北京城市生命线系统工程的改造、完善与建设研究；北京市突发重大环境灾害应急救援行动预案编制研究；环境灾害对北京城市经济发展的影响及有关经济问题的研究。

The urban environmental security becomes a new hot spot of environmental problems at present. The environmental security is raised in correspondance with the environmental calamity. This article puts forwad urban environmental security and the preparatory scheme for heavy environmental disaster rescue for Beijing based on analysis of some insecurity environmental factors of Beijing. The research contents include: The Beijing urban environmental security; The environmental disaster comprehensive zoning in Beijing; The information system supporting the management and decision about environmental disaster;The rescue and prevention scheme of urban meterological disaster;The forest fire prevention of Beijing by GIS technology;The cause and prevention strategy of dust storm;The health security and epidemic prevention in Beijing;The study of earthquake disaster prevention; Transform, perfection and construction of urban lifeline system engineering; The rescue scheme for serious environmental disaster; The effect of environmental disaster on urban economic development in Beijing.