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Show World Growing Warmer, But by Slow Degrees According lo Itr. ,f. VV. Ilmn-Idireys, Ilmn-Idireys, a famous physicist and weal her expert, the trend is toward a holler earth; hut the warming-up process is so slow there is no cause f.ir fearing (he heat will tori tire this gcueialion or Severn! to come. In fact, (toctor Humphreys says, next Kiimmer may he delightfully cool. The evidence is that glaciers in all parts of the world have been on the average slowly retreating since the culmination of the ice age, and Ihey lire still slowly retreating. We are iulte aware that the ice sheet left HtocUholm, Sweden, about 9,000 years d','o and left Niagara falls about 25,-(llil) 25,-(llil) or . ".0,000 years ago. The 'progress 'prog-ress of heat increase in Great Britain iind Ihe rest of the world is nolhing to get excited about. Doctor Humphreys says. There always will ''ie temporary (lurries of high or low leniperal ures for a season, for a year or for a period of years, but Ihe average over any consecutive period of twenty years is practically the v.'iine as over any oilier twenty con-seculivo con-seculivo years of which there is ofli-ciul ofli-ciul record. Montreal Family Herald. |