Votes and proceedings of the General Assembly of the state of New-Jersey . 1950. As Lamb puts it, Globaltemperatures since 1945 constitute, webelieve, the longest unbroken trenddownward in hundreds of years. Grandpa wasnt kidding A fair rule of thumb is that any cli-mate change is bad; not only armadillosbut man and his institutions are ad-justed to precisely the weather that pre-vails. As for the present cooling trend,a number of leading climatologists haveconcluded that it is very bad news in-deed. They say that it is the root causeof a lot of that unpleasant weatheraround the world and they
Votes and proceedings of the General Assembly of the state of New-Jersey . 1950. As Lamb puts it, Globaltemperatures since 1945 constitute, webelieve, the longest unbroken trenddownward in hundreds of years. Grandpa wasnt kidding A fair rule of thumb is that any cli-mate change is bad; not only armadillosbut man and his institutions are ad-justed to precisely the weather that pre-vails. As for the present cooling trend,a number of leading climatologists haveconcluded that it is very bad news in-deed. They say that it is the root causeof a lot of that unpleasant weatheraround the world and they warn that itcarries the potential for human disas-ters of unprecedented magnitude. Themost telling effect of the falling tempera-tures is to alter the vast, integrated sys-tem of winds that sweep about the the most grievous result of the newwind pattern has been the blocking ofvital monsoon rains upon which largesections of Africa, Asia, and CentralAmerica depend. Elsewhere in the world, 90 FOATUNE Febru CRS-172 A thoutand-yMr history of Icelands tamparatura. A Fifty-Year Balmy Spell Comes to an End Mankind obviously has been enioyinga spell o( warmth unusual in the timescales ot both the historical and thegeological past The thousand-yearrecord tor Iceland was reconstructedby meteorologist Pall worked from such evidence as theViking settlers surprisingly completeaccounts of the duration and extent ofsea ice. By comparing these recordswith recent experience, Bergthorssoncould estimate the mean temperaturefor each decade Because of Icelandslocation and vulnerability to small tem-perature changes, climatologists re-gard it as a good indicator of what ishappening over the whole NorthernHemisphere The black line starting inthe nineteenth century is the actualmeasured mean for the Northern Hemi-sphere and shows reasonably goodcorrespondence Temperatures beganrising sharply after 1890, peaked m the1940 s, and have been dropping ever since. Leading climato
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