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Show Timberline Timberlin Timherlin Shows Alaska AlaskaClimate AlaskaClimate Climate Grows MilderWashington Milder MilderWashington Washington Wasiungton . - TImberline Timberlineon TImberlineI I on the Arctic tundra gives In- In IndIcatIon indication in indication - dication that the climate of ofAlaska ofAlaska ofAlaska Alaska has been rapidly mod mod- modIfymg modifying modifying - ifying Ifymg for a fairly long stretch stretchof stretchof stretchof of years , states Prof . Robert RobertF F . Gnggs Griggs of GeorgVashmg George Georg Washing \Vashmg- Vashmg Washing- Washington \ Washington Vashmgton - ton university , in Science . Trees at the edge of tunber timber tunbergrowth timbergrowth timbergrowth growth are arc thrifty tnrLfty and prosperous prosperouslookIng prosperouslooking prosperouslooking lookIng , as though they had groWD grown groWDin grownin grownin in a favoring favormg climate There are no nosnags nosnags nosnags snags or dead trees among them It ItIS Itis Itis IS a new forest-apparently forest apparently forest - apparently an ad advancmg advancing advancing vancmg vancing forestConditions forestConditions forest forestConditions Conditions elsewhere in the theArctic theArctic theArctic Arctic drc are rc not necessarily trendmc trending trendmctoward trendingtoward trendingtoward toward higher average tempera temperatures temperatures temperalures tures , however , . |