**Assuming petroleum companies knew about the potential damage from climate change in the early 1970s, how should it have been handled? Shut down all their refineries and collapse the world’s economy? Was there an alternative? **

One  John Sawyer published the study *Man-made Carbon Dioxide and the “Greenhouse” Effect” in 1972. He had accurately predicted the warming rate to 2000.  By 1982 internal oil company documents were confirming that the oil companies knew what the consequences of their actions were likely to be:  The question suggests that the “world’s economy” would