He says in a Washington Post article....
In a trio of reports released in May, the prestigious and nonpartisan National Academy concluded that "a strong, credible body of scientific evidence shows that climate change is occurring, is caused largely by human activities and poses significant risks for a broad range of human and natural systems." Our nation's most authoritative and respected scientific body couldn't make it any clearer or more conclusive.
He further says....
Today, climate scientists - careful as ever in portraying what they know vs. what they suspect - report that the body of scientific evidence supporting the consensus on climate change and its cause is as comprehensive and exhaustive as anything produced by the scientific community.
"Perhaps one of the biggest issues with the global data is station dropout after 1990. Over 6000 stations were active in the mid-1990s. Just over 1000 are in use today. The stations that dropped out were mainly rural and at higher latitudes and altitudes — all cooler stations. This alone should account for part of the assessed warming. China had 100 stations in 1950, over 400 in 1960, then only 25 by 1990. This changing distribution makes any assessment of accurate change impossible."
We now know that the Russian station count dropped from 476 to 121, meaning “over 40% of Russian territory was not properly included in global-temperature calculations for some other reasons, rather than the lack of meteorological stations and observations.”
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“What we do is accurate enough we have no intention to compete with either of the other two organizations in what they do best.”
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