eneryandpolicy : "Scientists had begun to warn electric utilities about climate change by 1968, and by 1988 the industry’s official research and development organization had acknowledged that, “There is growing consensus in the scientific community that the greenhouse effect is real.”
Despite this early knowledge about climate change, electric utilities have continued to invest heavily in fossil fuel power generation over the past half a century, and since 1988 some have engaged in ongoing efforts to sow doubt about climate science and block legal limits on carbon dioxide emissions from power plants."