By Steve Milloy
More fake news from the climate-industrial complex.
No Evidence that Exxon ‘Knew’ Anything
A new Harvard study claims that its analysis of ExxonMobil internal analyses of emissions and global warming done between 1977 and 2003 shows that ExxonMobil scientists correctly predicted emissions-driven global warming was occurring at a rate of about 0.2°C per decade and that this shows that “Exxon knew” emissions-driven global warming was real and a threat.
Assuming for the sake of argument that the Harvard claim is true:
Current models produce about twice as much emissions-driven warming as ExxonMobil allegedly did (0.44°C vs. 0.2°C/decade).
Current NASA satellite data shows global warming (regardless of cause) is only at about 0.13°C, only about half of what ExxonMobil supposedly predicted for emissions alone.
- Like the ExxonMobil forecast, all climate models have significantly overpredicted warming.
- There has been no global warming (regardless of cause) for the past 8+ years, despite 14% of total manmade emissions.
If you remove from the warming trend of the last 30 years the non-CO2 related temperature drivers (1991 Mt. Pinatubo eruption and the El Ninos occurring from 1998 to present), there has been no discernible emissions-driven warming since climate hysteria began, despite 50% of total manmade emissions.
It’s hard to make the claim that “Exxon knew” when there is no evidence that ExxonMobil knew or knows anything correct about temperature trends or their causes.