Politicians and environmentalists paint a grim picture of our climate future. They do this by looking backwards… at what?
At some really poor data…
The world’s climate data has become increasingly sparse with a big dropoff around 1990. There was also a tenfold increase in missing months around the same time. Stations (90% in the United States which has the Cadillac data system) are poor to very poorly sited and not properly adjusted for urbanization. Numerous peer review papers suggest an exaggeration of the warming by 30%, 50% or even more.
Many stations drop out from year to year. But climatologists continue there data stream by interpolating from other stations. Stations often miss months. And most stations are centered near urban areas or are not situated to isolate from nearby man made effects like air conditioners or parking lots.
So the question is….
How can we trust NOAA/NASA/Hadley assessment of global changes given these and the other data integrity issues? Given that Hadley has destroyed old original data because they were running out of room in their data cabinet, can we ever hope to reconstruct the real truth?
I don’t think we can trust the assessments of global temperature. Data collection, data estimation errors and the politicization of the “science” make it untrustworthy at best.