戴维·佩珀反对西方生态主义把历史唯物主义理论同生态学对立起来的做法,系统地阐发了历史唯物主义理论的生态意蕴,并以此为基础,批判西方生态主义的自然价值论和自然权利论、生态危机论以及对生态危机解决途径的论述,提出生态运动应当以马克思主义为指导,建立一个有益于人类和生态共同发展的生态社会主义社会。戴维·佩珀推进和深化了生态学马克思主义理论。 David Pepper opposed the western ecologists’ opposition to the theory of historical materialism and ecology, and systematically expounded the ecological implications of the historical materialism and based on it, he criticized the naturalistic values ​​of the western ecologists and the nature Rights theory, the theory of ecological crisis and the discussion of ways to solve the ecological crisis. It is suggested that ecological movement should be guided by Marxism and establish an ecological socialism that benefits the common development of mankind and ecology. David Pepper promotes and deepens the ecological Marxist theory.