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Show Timherline Shows Alaska Climate Grows Milder Washington. Timberline on the Arctic tundra gives indication in-dication that the climate of Alaska has been rapidly modifying mod-ifying for a fairly long stretch of years, states Prof. Robert F. Griggs of George Washington Washing-ton university, in Science. Trees at the edge of timber growth are thrifty and prosperous-looking, prosperous-looking, as though they had grown in a favoring climate. There are no snags or dead trees among them. It is a new forest apparently an advancing ad-vancing forest. Conditions elsewhere in the Arctic are not necessarily trending toward higher average temperatures, tempera-tures, however. |