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Dying Western Red CedarsLangley, British Columbia, British Columbia, Canada 1 Sep 2023 |
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Douglas Fir and Ponderosa Pine Regeneration in a Changing ClimateCastlegar, British Columbia, Canada 1 Jul 2023 |
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Persistent droughtKabul, Kabul, Afghanistan 21 Mar 2023 |
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Blue sap on spruce treeKoliganek, Alaska, United States 10 Jan 2023 |
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Fallen Healthy TreesElim, Alaska, United States 29 May 2022 |
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Here winter has become two months shorterBodø, Nordland, Norway 4 Nov 2021 
NRK
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Agriculture Officials Really Want Those Spotted Lanternflies Gone, Gone, GonePennsylvania, United States 24 Aug 2021
NPR.org
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Caterpillars on Kesugi RidgeChase, Alaska, United States 19 Jul 2021 |
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Double-crested Cormorant (Phalacrocorax auritus) Extended Range into the St. Lawrence RegionGananoque, Ontario, Canada 17 Jul 2021 |
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Vancouver trees dry out as heat wave continues to take its tollVancouver, British Columbia, Canada 30 Jun 2021
CBC
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Lymantria dispar dispar outbreakWaterloo, Ontario, Canada 19 Jun 2021 |
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Urban tree damage in MontrealSaint-Léonard, Quebec, Canada 15 Apr 2021 |
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Irregular Ponderosa Pine GrowthSpokane, Washington, United States 5 Mar 2021 |
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Snow conditions causing stress on treesKattåsen, Finnemarka, Modum, Viken 21 Jan 2021
NRK
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Late Blooming Willow (genus Salix)Wasilla, Alaska, United States 12 Nov 2020 |
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Extreme rain brings flurry of landslidesPrince of Wales Island, Alaska 26 Oct 2020 |
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Alaska Grown Black WalnutsPeter's Creek 10 Oct 2020
Facebook - Alaska Home Gardeners Group
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Second year of Hemlock Looper Moth (Lambdina fiscellaria) outbreak returns to North Vancouver in larger numbersNorth Vancouver, British Columbia, Canada 8 Sep 2020 |
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Why are spruce trees turning orange in the Alaska Range?Healy, Alaska, United States 5 Sep 2020
Anchorage Daily News
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Large forest fire localized in Bilibin districtChukotka Autonomous Okrug, Russia 5 Aug 2020
Анадырь - Онлайн
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Western Red Cedar die-off in Pacific Spirit ParkVancouver, British Columbia, Canada 5 Aug 2020 |
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Spruce Trees Producing Huge Amounts of ConesKoyuk, Alaska, United States 24 Jul 2020 |
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All forest fires extinguished in ChukotkaChukotka Autonomous Okrug, Russia 20 Jul 2020
РИА Новости
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Eastern Ontario in grip of worst Gypsy moth outbreak in 30 yearsBelleville, Ontario, Canada 15 Jul 2020
Belleville Intelligencer
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Eastern Ontario in grip of worst Gypsy moth outbreak in 30 yearsEastern Canada 15 Jul 2020
Belleville Intelligencer
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Increasing catch of spruce bark beetlesViken county, Norway 19 Jun 2020
Viken Skog
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Record-breaking heatwave in SiberiaSiberia, Russian Federation 17 Jun 2020
the Guardian
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New Ground Rising from First LakeNoatak, Alaska, United States 28 May 2020 |
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Patches of Disrupted TreesBarnard, Vermont, United States 4 Apr 2020 |
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Roundheaded Wood Borer23 Feb 2019 |
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They just keep coming: Tent caterpillar invasion coats Sask. home in insects — and fecesSaskatoon, Saskatchewan, Canada 31 May 2017
CBC
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Landslide destroys Starrigavan restoration projectsSitka, Alaska, United States 25 Sep 2014
KCAW
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Tent Caterpillar InfestationWoodford, Ontario 20 May 1998 |
Observations From Members