> The accuracy of their predictions are chilling — they anticipated (in their "21st Century Study-High Growth Scenario") that in 2020 atmospheric CO2 levels would fall between 400 and 420 ppm. They also foresaw the accompanying sea level rise, melting of polar ice sheets, change of rainfall patterns, and agricultural failures.
Wow. How does this compare to other predictions at the time?
Maybe they were somewhat later, but Shell oil knew too. They did similar research and came to the same conclusions. Here is a video they made in 1991 warning about climate change: https://www.youtube.com/watch?v=vTlYYlRN0LY
Wow. How does this compare to other predictions at the time?