Todas las fuentes en línea se consultaron el
«un problema que, si no se aborda»
Oppenheimer, M., Testimony of Michael Oppenheimer before the Subcommittee on Environmental Pollution, Committee on Environment and Public Works, United States Senate, 11 de junio de 1986.«nos espera una tarea abrumadora»
Oppenheimer, M., Testimony of Michael Oppenheimer before the Committee on Energy and Natural Resources, United States Senate, 23 de junio de 1988.Dio comienzo una carrera
Oppenheimer, M., and Boyle, R. H., Dead Heat: The Race against the Greenhouse Effect (Nueva York: Basic Books, 1990).