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Thousand Cankers Disease prompts wood quarantine in Pa. 8/14/2014 Caused by a fungus that's transported by the walnut twig beetle, the disease attacks the innermost layer of a tree's bark, called the phloem. See more -
Going green... It's easier than you think! 8/11/2014 Having a big tree or two outside your energy efficient windows is another way to be green and save on energy costs. See more -
Disease threatens a valuable Pennsylvania lumber source 8/10/2014 As trees go, black walnuts are the superheroes of Pennsylvania's forests. Strong and resistant to most aggressive insects and sickness, their lumber is among the most valued in the state. See more -
Celebrate trees this weekend at Schenley Park, benefits Pittsburgh Parks Conservancy 8/5/2014 There's a fun event happening this Sunday in Schenley Park. The certified arborists from Davey Tree will be on hand to answer questions, but also listen to your favorite stories about trees. See more -
Trees Reduce Air Pollution, Respiratory Problems 7/30/2014 Trees are nature's answer to diminishing air pollution, as well as reducing respiratory problems for the human population, according to US Forest Service scientists and collaborators behind a new study. See more -
First national study finds trees saving lives, reducing respiratory problems: Air pollution modeling reveals broad-scale impacts of pollution removal by trees 7/29/2014 In the first broad-scale estimate of air pollution removal by trees nationwide, U.S. Forest Service scientists and collaborators calculated that trees are saving more than 850 human lives a year and preventing 670,000 incidences of acute respiratory symptoms. See more
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