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D-shaped holes in the bark or new tree shoots emerging at the root zone of your ash trees may be a sign of infestation by the Emerald Ash Borer, an insect native to the Far East that targets ash trees, says Dave Dailey of Birchcrest Tree and Landscape, in Rochester, N.
WSJ: Getting to the Roots of Your Trees' Stress
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While most of the freight will have been flown straight on from last weekend's season-opener in Qatar, the cloud of ash has created a no-fly zone over much of northern and central Europe and made it impossible for many team personnel to reach Japan.
BBC: Volcanic ash cloud forces postponement of Japan MotoGP
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Firewood over 4-feet long can also move outside the zone because at that length the ash is easy to recognize and remove, Lambert said.
WSJ: Mass. creates quarantine zone to contain insect
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Ryanair said the "red zone" over Scottish airspace where ash has been classified "high-density" was invented by the Met Office and the Civil Aviation Authority (CAA).
BBC: NI flights cancelled as ash cloud approaches
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In 2010, thousands of residents moved to temporary shelters when the volcano ejected ash in an 8-kilometer (5-mile) zone surrounding the crater.
NPR: Philippine Volcano Spews Rocks, Killing 5 Climbers
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The UK is enduring a fourth day as a virtual no-fly zone, as the travel chaos caused by volcanic ash drifting from Iceland shows no sign of ending.
BBC: Volcano cloud threatens Formula 1 preparations
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But the no-fly zone still applied to most of Britain, and a new cloud of volcanic ash was reported to be on its way.
ECONOMIST: The effect on business and leisure