How Pittsburgh’s Acid Rain Legacy Affects Soil pH and Tree Health Decades Later

How Pittsburgh’s Acid Rain Legacy Affects Soil pH and Tree Health Decades Later

Key Takeaways Pittsburgh’s transformation from a steel and manufacturing center to a modern economy is one of the more remarkable urban stories of the past half-century. The rivers are cleaner. The air is measurably better. The hills that once carried industrial haze are now green and wooded. But soil doesn’t recover as visibly or as […]

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Thousand Cankers Disease and Black Walnut Decline in Western Pennsylvania: What to Watch For

Thousand Cankers Disease and Black Walnut Decline in Western Pennsylvania: What to Watch For

Key Takeaways Black walnut (Juglans nigra) is a native hardwood woven into the ecology and character of Western Pennsylvania. Mature specimens are found throughout Allegheny County, Pennsylvania in residential backyards, along property lines, on wooded lots, and in the riparian corridors of the region’s river valleys. They provide dense shade, valuable timber, wildlife habitat, and […]

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Why Pittsburgh’s Hilly Terrain Makes Tree Removal More Complex and More Expensive Than Flat Ground

Why Pittsburgh’s Hilly Terrain Makes Tree Removal More Complex and More Expensive Than Flat Ground

 Key Takeaways Ask anyone who has tried to back a moving truck into a South Side Slopes driveway and they’ll confirm what Pittsburgh residents already know: this city was not built on flat land. From the bluffs above the Monongahela to the wooded ravines of Fox Chapel, Pittsburgh’s terrain is defined by elevation changes, narrow […]

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