本书的主要内容包括：美国环境史学研究的学术史回顾；什么是环境史；美国现代环保运动的兴起及其影响；年鉴学派与环境史学；西部史学与环境史学；美国环境史学会和著名环境史学家；一美国环境史学会；二环境史领域的拓荒者；美国环境史早期研究主题；20世纪90年代以前美国环境史研究的特点；美国环保运动的新发展；环境史研究在美国的发展轨迹等。 (This book mainly includes, academic history review of American environmental history study, the definition of environmental history, a new upsurge in the American modern environmental movements and its influence; Annales School and environmental history; western history and environmental history; American environmental history association and renowned environmental historians; American environmental history association; the pioneer in the environmental history circle; earlier research topic of American environmental history; the characteristics of research on American environmental history prior to the 1990s; new development of American environmental movements; development path of environmental history study in America, etc.)