The greenhouse effect and planet Earth Broadcast Date: Jan. 24, 1984There's weather, and then there's climate. Weather patterns come and go, but forecasting has become much more accurate through improved meteorological techniques. Climate change is harder to predict. But, as the CBC's Peter Kent shows in this 1984 documentary, it's happening. Carbon dioxide levels in the Earth's atmosphere have been steadily rising, and by the year 2050 the average global temperature may rise by five degrees Celsius due to the greenhouse effect.

via archives.cbc.ca

Peter Kent's 1984 reporting on Climate Change, in the CBC archives.  The full video is here.  The basic science is so simple, and has been a concern for so long, it's remarkable to consider how successful the denialist effort has been.