History of Street Trees
Urban tree canopy is the layer of leaves, branches and stems covering an urban area when viewed from above. Expressed as a percentage of land area, it provides a useful high-level picture of the extent of a community’s urban forest. Below is the most current comprehensive 50-state canopy summary we could identify. The analysis was… More
Tree species diversity is a critical element of ecology sustainability, the most urgent of which is to minimize the impact of pests and disease outbreaks on urban canopy cover. Anyone who has followed the introduction of Dutch Elm disease (DED) is already painfully aware of how devastating tree pest outbreaks can be. Where I live,… More
Tree species diversity is a critical element of ecology sustainability, the most urgent of which is to minimize the impact of pests and disease outbreaks on urban canopy cover. Anyone who has followed the introduction of Dutch Elm disease (DED) is already painfully aware of how devastating tree pest outbreaks can be. Where I live,… More
Picture a schematic drawing for, say, a downtown revitalization project. You’d see bustling businesses, new bike lanes, colorful signs, and rows and rows of identical trees. As an arborist, horticulturist, and landscape architect I’ve given a great deal of thought to plant diversity over my career, and this practice of only planting a single species is… More
Picture a schematic drawing for, say, a downtown revitalization project. You’d see bustling businesses, new bike lanes, colorful signs, and rows and rows of identical trees. As an arborist, horticulturist, and landscape architect I’ve given a great deal of thought to plant diversity over my career, and this practice of only planting a single species is… More
Starting July 1, 2017, the City of San Francisco will start doing something it hasn’t done since the 1970s: take responsibility for all the trees in the public right-of-way. San Francisco cut funding to urban forestry in the late 1970s, resulting in a handoff of responsibility to adjacent property owners for two thirds of the… More
We have a long and complex history in our relationship to trees in the built environment. As our ancestors congregated in the “New World” they wanted to open up the canopy to let the light filter down and to be able to grow food. Then, as more people arrived and cities formed, trees were cut… More
We are all searching for signs in our lives. Which way do I go on this highway? Where should I live? Where should I work? We take internet quizzes to tell us what career we should have and what kind of dog we would be and in what country we were meant to live. We look… More
I’ve always wondered why we use the word parking to describe a place to leave a car. The word evokes images of my neighborhood park, playgrounds, or Central Park: lush green spaces not places easily reconciled with a patch of asphalt. A few years ago while I was working at the New York City Department… More
What’s happening in Texas? As far as we can tell, a lot. The Lone Star state is making some huge investments in sustainable development, including green infrastructure. L. Peter MacDonagh, FASLA – who has visited the state many times over the years, and twice in the last few months to speak about using trees and soils… More
In anticipation of the American Society of Landscape Architects tradeshow later this week, today we’re highlighting an iconic tree planting project using suspended pavement – including archival photos and original section details – that took place in Denver in the early 1980s: the 16th Street Mall. -LM Denver has long been a place of significance in the… More
The other day, I passed a dead street tree in San Francisco Not an uncommon occurrence unfortunately, but this tree had once been on TV. The tree, a Paradox walnut, had been planted along with a second tree next to it as part of an art/science project called OneTrees designed by Natalie Jeremijenko. Jeremijenko cloned… More
Soil. Stormwater. Sustainable Infrastructure.
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