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They've been repeating the same message of doom now for 30 years and it always fails to materialise. Eg 1989 "The most conservative scientific estimate that the

They've been repeating the same message of doom now for 30 years and it always fails to materialise. Eg 1989 "The most conservative scientific estimate that the Earth’s temperature will rise 1 to 7 degrees in the next 30 years, said Brown" https://apnews.com/bd45c372caf118ec99964ea547880cd0 https://apnews.com/bd45c372caf118ec99964ea547880cd0 Actual temperature anomaly is 0.8 degrees. https://climate.nasa.gov/vital-signs/global-temperature/ https://climate.nasa.gov/vital-signs/global-temperature/ So we're doing better than the best models predicted and we've massively increased co2 output beyond what those early modelers anticipated; Apparently those early climate modelers had not heard of China.

yodsanklai 7y ago
> They've been repeating the same message of doom Who are they? you're citing "A senior U.N. environmental official". It is common rhetoric but it as no value. What is important to know is not what a single person said, but what the scientific consensus back then was. According to the Intergovernmental Panel on Climate Change [1] in 1990 "global mean temperature will increase by about 0.3 °C per decade during the [21st] century". It seems 0.8 degrees is close enough to the 0.3 * 3 °C they predicted. Personally, I believe the most accurate prevision we can make today, based on current knowledge, is the one made by the GIEC. I don't see any reason to think that someone else knows better. And I also think that 30 years of research gives us more reliable prediction today than before. [1] https://en.wikipedia.org/wiki/Intergovernmental_Panel_on_Climate_Change#First_assessment_report https://en.wikipedia.org/wiki/Intergovernmental_Panel_on_Cli...