Category Archives: Green infrastructure

Greens Roofs Will Cover Toronto

Man, those Torontonians! They continue to impress us with their aggressive green infrastructure policies. Back in January of 2010, Toronto became the first North American city to make installing green roofs on new commercial, institutional, and multifamily residential developments compulsory … Continue reading

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A Million Trees? Only If We Can Keep Them Around

Trees are a huge asset to their communities, yet we frequently fail to plant them in viable conditions where they can grow to maturity. Credit: Edward Marritz This post originally appeared in Next American City. In February, the U.S. Forest … Continue reading

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The Basics of Phytoremediation

Phytoremediation is the use of green plants and their associated microorganisms to stabilize or reduce inorganic and organic contamination in soils and surfacewater or groundwater. In other words, the process of using trees and other plants as biological filters. It … Continue reading

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Why Public Art Should Make Us Rethink Trees

Trees are effortlessly artful. This artfulness may be part of why they have such a calming and restorative effect on people and can elicit such powerful emotional attachment. Trees are also functional infrastructure. You can debate which role is more … Continue reading

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Performance Metrics and Longer Contracts for a Successful Landscape

Last month’s Landscape Architecture Magazine had an interesting feature by Mike Singer. The article, titled “Are We Done Yet? Measuring for a project’s success is keeping clients and designers engaged well after installation,” explores an emerging trend in the field: … Continue reading

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Green Infrastructure Endorsed by the New York Times

More good news/bad news from New York. In an editorial two weeks ago, the New York Times endorsed green infrastructure solutions for managing stormwater runoff. We’re pleased as punch to see this issue getting deserved attention. But there was one … Continue reading

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What’s Missing From NYC’s Enhanced Bioswale Tree Pits

New York has an ambitious Green Infrastructure plan, and lately their enhanced bioswales have gotten additional attention. These five foot by twenty foot planters look great from street level, so why do I feel uneasy about them?

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Casey Tree’s Silva Cell Bioretention Garden Panel

Back in August 2010, Silva Cells were installed to create a bioretention planter at the Casey Trees headquarters. Now, the good folks at that same organization have added an information panel to explain how the system works. 

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Applying Product Lifespan Thinking to Trees

The specifications for most construction project are filled with seemingly endless phrases of precision such as “not less than 100 percent maximum density,”  “no variation greater then ¼,”  “shall be at least .005 in thickness,” “minimum strength of 3,000 psi,” … Continue reading

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Leveraging Huge Public Investments Using Trees

I read a lot of news stories about development projects described by words like sustainable, walkable, dense, and multi-use. These characteristics are experiencing a real surge in emphasis from both a design standpoint and from media coverage, and rightly so. … Continue reading

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