Lethbridge Herald, The (Newspaper) - September 1, 1971, Lethbridge, Alberta
-Wfdneiday, Soptember 1, 1971 THE LETHBRIDGE HERALD 33 WeVe living in an ice age now By MAX WtLDE Uimlon Observer .Service lem- global years ago. Glaciers in the nor- thern hemisphere apparently began much later, first in Ihe Sierra Nevada of California small change in the direction. ancl in Iceland, about a pail, and the next drama- years Greenland. and thereafter in fiENEVA peralure increase produced by man's creation of heat and car- bon dioxide may destroy Arc- tic sea ice. A rise of only a few degrees centigrade in the! SHEETS FORMED average temperature of tlie j Tnjs ;s period ol glacia- northern hemisphere could be- non ;n wnjch we find ourselves gin melting Ihe ice, and once now; during it there have this started large areas of Arc- riuctualions, At several j tic sea would lend to melt the I ]aTge ice sheets form-1 remainder. Tin's would not af- ovcr North American feet ocean levels to flood in-1 European continents. The habited land, but once the ice reLreat Of these ice sheets took was gone it would probably not' only rrom to 16.000 opposite i All this uill uller the heal bal-, recommendations: first, moni- ance of the area and add water i Uning systems should be set data whx-h will It is possible that, in these j lo the air: Ilirec fourths j up In galhe- latest fluctuations, mnn play- lie change, such as the dis- appearance of Arctic ice, may be identified as man-made. Even in the remote places of Ihe world, traces of man-made rSulUng lo nine lentils of irrigation j greatly increase knowledge of waler evaporates. climatic changes and their ef- Control ol river discharge in- 'eels on the human environ- lo oceans subject lo winter Sccond'y. f nl agreement should prohibit freezing (in the U.S.S.R. there j scale experiments in are plans to divert rivers from persistent or long term cli- return. These estimations are made f'titAr, "TllS PRIDE AND JOY Giving himself a lift is sculplor John Preno, 20, as he car- ries his self-portrait in papier mache at the Canadian National Exhibition in Toronio. When completed, he hopes to win h art competition at the CNE outdoor art festival. vcars ago so recently that its effects on the rocks and the distribution of soil are still clearly visible. A remarkable feature of this retreat is the relative abrupt- ness with which it took place. Evidence from the Greenland ice which has persisted and preserved the record in the layers of snow that accumu- late each year, suggests a ra- pid increase of the mean tem- perature by s e v e r a 1 degrees centigrade (just how many we do not know) during a period of about years at the end of the last ice age. However, for fluctuations noted since instru- j the last years, the tem- mental observations began! perafure. as indicated by the about 1680, the historical, hot-j Greenland snow, has been rel- anical and geological data since i ati-'ely constant compared with by a group of 30 scientists from 14 countries whose work, spon- sored by tile Massachusetts In- stitute of Technology, is now being studied by the first In- tergovernm e n t a 1 working Group on Monitoring or Sur- veillance (of the environment) sitting in Geneva in prepara- tion for a United Nations con- ference on the human environ- ment to be held in Stockholm in June next year. The scientists want man's impact on climate to be con- sidered in the perspectives the load of parlicles i due to flowing into Ihe Arctic Ocean lo irrigate desert areas of Cen- tral Asia) could greatly influ- ence the rate of freezing or melting. Such activities, the studv savs. "could seri- industrial activity and to the i burning of waste crops and vcg- olls regional and r-voi elalion which is practised in i repercussions.; Ram making many mate modification until scien- tists can judge their conse- quences. In Ihe opinion of Uiove close to the UN Secretarial prepar- ing for Ihe UN Conference on Human Environment in tropical areas. The seeding clouds wiiii frecz- j Uiese tides scatter and absorb solar I [ng nucleialso changes the heat, important as the anH ihn hppl OUOgeL Of IlG 51 lacl.atiun and influence the heat ul.pent nced of of hurricanes. I agreement to control air, wa- The study makes main I ler and soil pollution. balance over wide areas. Apart from particles, some gases also absorb solar and in- 1 fra-red radiation, including j carbon dioxide, water vapor and ozone. Due U) the burning of fossil fuels, such as coal, petroleum and natural gas, the carbon dioxide content of the global atmosphere is constant- ly rising and is expected to go up by another 20 per cent hv tile end of the century. Our Final Winner a Carlton Criferium 10 speed touring bicycle away FREE jusl for entering the FANTA DRINK CONTEST and enjoying FANTA DRINK PRODUCTS The while study "until points out recer.ljv it that has the peak of the last recognized Ice Age (about years and since the beginning of higher organized forms of life on earth, aboul 500 million years ago. "Perhaps the most signifi- llie earlier dramatic change. been ascumed that man could j not compete directly with na- ture in the release of heat on a large scale, now we must take cant lesson to be learnt from Iras been referred to as "the the long history of our the study says, "is that during more than 90 per cent of the peralure of the northern hemi- 550 million year period the sphere increased by about O.fi earth was free of polar ice. In a sense, we live in an Ice Age and this is an anomaly for our planet." The longest ice age. which lasted from 30 to possibly 50 million years, occurred between 250 and 300 million years ago. this, there was a long period without any polar ice, and then a gradual cooling started the present Antarctic glaciers about five million further look at this matter Nevertheless, in more recent j ES we realize the implications times, there have been many Of a doubling of the present significant smaller flucluations vorld population of 3.6 billion such as the cold period in the j by the year 2000, coupled with 17th century, when people skat- an expectation of more en- ed on the River Thames, which! ergy to be used per capita. The production of energy of all sorts is risir.fi at a rale of from 5 to 6 per cent per year for the little ice age." We know that the mean tern- world." If llhis. L'end continues degrees centigrade from 1880 j means lhat by the end of the to 1940 but since then has fallen cenlury energy production will by more than 03 degrees cen- tigrade. These minor temper- ature changes are misleading, i may eventually be vast indus- have increased fivefold and, the study predicts, there however, since they obscure the fact that during the last 30 years the changes in warming and cooling in Arctic regions were three times larger than in temperate zones, while in trialized areas "where the add- itional input of energy by man will be equivalent to the net radiation from the sun." Man is now also manipulat- ing surface waters by building the tropics there was little i dams, creating lakes, draining change, or possibly even a 1 swamps and diverting rivers. DONNA LEE PICTURE BUTTE, AITA. Our olher KEN NOWICKI of Fort Modeod DEMISE SMITH of lelhbridge ANDREW TETERIS of telhbridg: DOUG FOUIKES of Tober KEVIN IAYCRAFT ol Clarasliolm The Monagemenl and Slaff ol Purily Bollling (1967) lid. tend headiest Congratulations lo the Six Carlton Bicycl. Win- ners and Sincerest Thanlcs to the hundreds who .ntered Fonla Drink Conleil and mode rl such n great success. Remem- ber You're always a Winner when you drink end enjey quality Fanta Produclsl PURITY BOTTLING (1967) LTD. AUTHORIZED BOTTLERS OF COCA-COLA Coming! WEEK ONLY! thru SATURDAY DALLAS TAVERN Pension plan assistance A representative of the Can- ada Pension Plan will be in Blairmore and Pmcher Creek tbis week to offer information and assistance 10 those filing applications. R. F. Viney. CPP field rep- resentative will be in Blair- more at the Federal Building between 10 a.in and p.m., Thursday. Sept. 2.. and Pincher Creek lown council chambers bclweon 9 a.m and 12 noon Friday. Sept. 3. LEARN TO SEW CREATIVE STRETCH Lessons Starting Sept. 7th 8 2-HOUR COURSES FOR ONLY MORNINGS AFTERNOONS EVENINGS Monday, Tuesday, Wednesday and Thurs. WE CARRY A FUU UNE OF I STRETCH MATERIALS Clip and "Mail lo. BAKER'S FABRIC CENTRE 4J6 13lli SI. N. lelhbriclcie Phono 328-45.16 Clddrrn I wish lo ollencl On Plrcisc find J Phone I IMomintj, Allrrnoon, or idny, Tuesday, Wednesday or Thur.riny) I 426 13th SI. N. Phono 328-4536 OPEN THURSDAY TILL 9 P.M. FKUi B.C. Fruit the best part of summer! FREESTONE PEACHES BARTLETT PEARS PRUNE PLUMS The B.C. fruit preserving season is now at its height! Your best and most economical fruit preserves this winter will be the B.C. Fruit you home-preserve now. B.C. Freestone Peaches, Bartlctt Pears and Prune Plums arc all at their best right now and specially priced by the box. They're sweet, plump and full of juice ready to br made into wholesome, delicious jams and preserves that will mean economy, mealtime variety and sunshine flavour for your family all through the winter. With the last three Okanagari preserving fruits all available at once, TIOW'S the time to complete your preserving program. And while the season is at. ils peak he sure to enjoy plenty of fresh B.C. Fniit in lunehboxcs, as snacks, and in your favourite desserts! Nw cZSr hnnklai on l B.C. tree fruits, ami mMrfsf. In- H.C. Tier Frails Lid., Dcpt. Kclowiiii, B.C. PEACHES -PEARS -PLUMS serve them BOW. .preserve them now!