The issue focused on extinction rates from 1900 through 1940 was subsequently debated by academics at MIT and Yale University and generated considerable controversy among environmentalists and academics alike. Despite extensive peer review and surveys by governmental agencies and governmental departments and publications such as Nature Magazine and Scientific American, researchers refused to acknowledge their conclusions until 1988 and subsequent pronouncements against climate change failed to acknowledge these realities until 1994. Therefore, climate scientists clearly disagree about whether humans cause climate change or whether humans caused climate change in any meaningful sense. Moreover, climate scientists disagree