Second Thing To Know About Climate Change–Nat Geographic

NOT A LOT OF PEOPLE KNOW THAT

By Paul Homewood

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They fail to explain why global temperatures fell between 1940 and 1980, at the same time as CO2 emissions were rising rapidly.

They also forget to mention the role that the great ocean cycles played in 20thC warming. The post 1940 cool down coincided with the shift of both PDO and AMO to cold phase.

Similarly post 1980 warming was in large part the result of a return to warm phase for both cycles.

https://www.esrl.noaa.gov/psd/cgi-bin/gcos_wgsp/tsanalysis.pl?tstype1=91&tstype2=20&year1=1900&year2=2016&itypea=0&axistype=1&anom=0&plotstyle=0&climo1=&climo2=&y1=&y2=&y21=&y22=&length=&lag=&iall=0&iseas=1&mon1=0&mon2=11&Submit=Calculate+Results

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