Over 580 trees and 15,578 Silva Cells (and counting) surround mass transit projects throughout the United States, Canada, and the United Kingdom. Mass transit projects include light rail trains (LRT), bus stops and their streetscapes along routes, interchange restructuring, major city center traffic hubs, and accompanying pedestrian and cycling-friendly pathways. Whether by foot, bicycle, electric… More
-Supporting and tripling the life expectancy of 67 trees, and helping to shape a sustainable identity for Normal’s Uptown Center: The Circle -The project won half a dozen awards and springboarded the city of Normal into a net positive economy. Halfway between St. Louis and Chicago, sits Normal, Illinois, a town of about 52,000 that… More
– In 2008, a pilot project to test Silva Cell’s ability to increase urban street canopy while using minimal surface area began. – 10 years later we’re seeing the initiative show great results. Stormwater was routed for the purpose of filtering the water and quality control. Trees that continued to receive stormwater runoff showed signs… More
Sovereign Square is the first significant redevelopment in Leeds City Centre in a generation. Seven years ago, the City of Leeds, a financial and legal hub in the UK, initiated the transformation of an industrial site to a green, urban oasis. Between Sovereign Place and Sovereign Street, the aptly named Sovereign Square has become what… More
Species diversity in the urban forest is an extremely important topic and – unlike so many other design choices that are hindered by lengthy planning processes, tightening budgets, and maintenance considerations – it’s something we can actually have an impact on in the short term as part of the ongoing cycle of tree replacement. I’ve… More
Something simple and extremely fundamental must underpin any effort to increase the biodiversity of the urban canopy: adequate quantity and quality soil and water. That’s it. If a guy wanted to grow a great tree in a typical 4 x 4 urban tree opening, he could add macronutrients (NPK), micronutrients (Mn, Mg, etc.), compost tea,… More
Something simple and extremely fundamental must underpin any effort to increase the biodiversity of the urban canopy: adequate quantity and quality soil and water. That’s it. If a guy wanted to grow a great tree in a typical 4 x 4 urban tree opening, he could add macronutrients (NPK), micronutrients (Mn, Mg, etc.), compost tea,… 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
Soil. Stormwater. Sustainable Infrastructure.
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