Attract Native Species With Native Wildlife

One of the reasons I find urban trees exciting is because of the wild creatures they attract. I don’t know as much about urban wildlife as I’d like to, though, so I was happy when I saw that the Urban Natural Resources Institute (UNRI) was hosting a webinar on this topic with Dr. Susannah Lerman,… More

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Tree Liberation

People accustomed to observing trees, especially in urban areas, find no shortage of dismaying situations to gnash their teeth over. Trees in too-small plots, buried root balls, broken and vandalized branches, poor stock, and unnecessary pruning are just a few of them. Most of these are situations that ordinary citizens can’t do anything about. But there are… More

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Q & A: Tree Stability in Urban Areas

For today’s post, experts L. Peter MacDonagh and James Urban, FASLA tackle one of the most commonly asked questions we hear about whether tree stability is related to an evenly developed root ball. Here is what they have to say. -LM Without a completely developed root system on all four sides, won’t trees fail? What… More

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Disagreement Over The Portland, OR Tree Plan

In early June, the Portland Oregonian published an editorial titled, “Portland’s Cadillac Tree Plan.” In it, the board suggested that Oregon’s urban trees are doing great just the way they are, and argued that the city’s new tree code is costly and ineffectual. (The code was adopted two years ago but has not been implemented due… More

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Lessons From Three Adjacent Silva Cell Projects

The revitalization of Toronto’s waterfront is the largest urban redevelopment project currently underway in North America, and it is also one of the largest waterfront revitalization efforts ever undertaken in the world. Waterfront Toronto is a joint venture by the Federal, Provincial, and City of Toronto governments. The Silva Cell is being used on several areas… More

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