EWF Blog



Tree-killing pests: Who? Where? How?


by Loose Leaf Contributor
A map showing an area of the Northeast affected by hemlock woolly adelgid.By Faith Campbell, Emeritus environmental advocate and tree-pest expert Nearly 500 non-native insects and disease-causing pathogens have been introduced to the United States in the 400 years since European settlement began. Here are some examples: Chestnut blight has virtually eliminated mature American chestnuts across the species' range, which is most of the eastern deciduous forest. European gypsy moth periodically causes severe d... (Read More)



Forest Digest — Week of September 8


by Loose Leaf Team
American Forests is working to protect high-elevation forests in the Rocky Mountain range through our Endangered Western Forests initiative.Another week and another Forest Digest. See what's happening in the world of trees: “Climate change accelerating death of Western forests” — USA Today A study by the Union of Concerned Scientists and the Rocky Mountain Climate Organization shows that drought, insect pests and wildfire — forest threats exacerbated by climate change — are killing off millions of acres of the Rocky Mountain range's pine and aspen forests. "Str... (Read More)



Whitebark pine: Strategy in the Greater Yellowstone Area


by Christopher Horn
Whitebark pine ecosystems face pest, disease and climatic threats that have — and could further — wreak havoc on stands of this keystone species. Fortunately for the trees, and the plants and wildlife that rely on them to survive, American Forests and our partners in the Greater Yellowstone Area are working towards solutions that can save the species. One of those partners is Nancy Bockino, who is leading an effort with the Greater Yellows... (Read More)



Forest Digest — Week of September 1


by Loose Leaf Team
Another week and another Forest Digest. See what's happening in the world of trees: “New Analysis Finds Over 100 Million Hectares of Intact Forest Area Degraded Since 2000” — World Resources Institute More than 104 million hectares — an area three times the size of Germany — of the world’s largest remaining forests experienced rapid degradation from 2000 to 2013. **Check out the actual data compiled by researchers from the Unive... (Read More)



Water supply and the whitebark pine


by Christopher Horn
American Forests helped leverage National Park Service (NPS) funding in the Greater Yellowstone Area (GYA) to estimate the Available Water Supply (AWS) for the 176 long-term whitebark pine monitoring sites. NPS personnel had previously started gathering data in 2013, but limited funding paused the project. Many people — including project lead David Thoma, an hydrologist with the National Park Service — were enlisted by American Forests to ... (Read More)