The New York Times says global warming was settled science and beyond debate by the late 1970’s – based on data collected during the prior thirty years.
Nearly everything we understand about global warming was understood in 1979. By that year, data collected since 1957 confirmed what had been known since before the turn of the 20th century: Human beings have altered Earth’s atmosphere through the indiscriminate burning of fossil fuels. The main scientific questions were settled beyond debate.
They had a slightly different story in the late 1970’s.
International Team of Specialists Finds No End in Sight to 30‐Year Cooling Trend in Northern Hemisphere
Most people saw Orwell’s novel “1984” as a warning, but the New York Times saw it as an instruction manual.