“9·11”事件之后,美国政府为提高事故预防、预备、响应、恢复和减灾的能力做了大量的工作。2003年2月28日,美国总统发布了国土安全总统令第5号,要求国土安全部部长建立国家事故管理系统,以便促进全国联邦、州、地方和部落各级政府部门提高事故预防、响应和恢复的工作效率。美国总统令第5号还规定在2005财政年度, After the “9.11” incident, the U.S. government has done a great deal of work to improve the ability of accident prevention, preparation, response, recovery and disaster reduction. On February 28, 2003, the President of the United States issued Presidential Decree No. 5 on Homeland Security, requiring the Secretary of Homeland Security to establish a national incident management system to facilitate the improvement of accident prevention and response in all federal, state, local and tribal authorities across the country Recovery work efficiency. US Presidential Decree No. 5 also states that in FY 2005,