Creating a Standard for a Green Infrastructure Sidewalk This is the first of a series of five posts featuring case studies that illustrate the need for a paradigm shift for how streets and sidewalks are designed and constructed. This new paradigm for Green Infrastructure is based on Creativity, Collaboration, and Compromise (CC&C), and is demonstrated… More
A question we’re sometimes asked is, “can Silva Cells be cut?” Meaning, can they be modified in the field to fit around obstructions? The short answer is no. We do not advise cutting or in any way modifying individual Silva Cells. Think of it like playing the game Jenga, where you stack up rectangular wood… More
Developing Green Infrastructure in Cities Requires a Paradigm Shift The imperative of dealing with climate change has generated the need for cities to develop “green” infrastructure. The development of green, environmentally ethical, infrastructure needs upstream support from politicians and policymakers to succeed. It also requires fundamental changes downstream to the way plans for streets and… More
We have a lot of resources about implementing minimum soil volumes for urban trees on this blog. Recently we’ve updated our list of municipalities that have a minimum soil volume standard. Trees need an adequate volume of root, oxygen-rich soil to thrive, and minimum soil volume policies are a powerful tool for arborists and other advocates… More
There are now dozens of open-source tree maps in communities worldwide. The most successful mapping projects are those that provide citizen scientists with simple guides on how to accurately identify tree species and assess tree health. The more accurate the information on the tree maps, the more accurate the green infrastructure calculations they produce – and the… More
An oasis of nine trees thrives below a bustling roundabout in Salford, U.K. Part of the Gateway Quays project, the Himalayan Birch (Betula Utilis Jacquemontii) trees are supported by 184 Silva Cells, providing over 47m3 of shared rooting volume. The Regent Road Roundabout and Gateway Triangle were reconstructed 10 years ago to the day. The… More
For those with a mission to enhance urban forests, it is vital to have the latest statistics for urban forest or urban tree canopy coverage. In 2010, we shared a chart by Watt and Gunther highlighting the percentage of urban tree canopy (UTC) (urban forests), broken down by city in the United States. Both the… More
A 240-year-old market glows with resilient green infrastructure and people-centric design Richmond, Virginia’s 17th Street Farmers Market is the oldest of its kind in the nation, declared a public market in 1779. (Though some accounts claim it started unofficially as early as 1737). As commerce grew, so did the market, and in 1854 a building… More
In addition to the once-in-a-generation public health crisis arising from COVID-19, the pandemic has also produced a number of unpleasant side effects, not the least of which are frustration, isolation, and the uprooting of many societal norms, such as dining out. As San Francisco enters its fifth month of sheltering in place, the yearning to… More
Over the past century, Miami Beach’s famous Lincoln Road has seen many significant changes. Historic redesigns of this iconic South Beach promenade have run the gamut from tropical to urban to a complement of the two. In 2010, DeepRoot’s Silva Cell was a key part of the successful green infrastructure redesign of the mixed-use extension… More
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