Quotes

Soil Volume Minimums for Street Trees Organized by State/Province

At DeepRoot, we promote large volumes of non-compacted, biologically active loam as essential for street tree health and longevity. Urban foresters generally adhere to the following minimums: 300 cubic feet for small trees, 600 cubic feet for medium trees, and 1,000 cubic feet for large trees. However, some municipalities are taking soil volume cubic feet… More

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Plastic Use in Silva Cells: A Resilient Product for a Resilient Future

– Silva Cell is made primarily of virgin plastic because it guarantees quality, reliability, traceability, equality, and strength. – Recycled plastic and virgin plastic have distinguishable differences and potential advantages/disadvantages. – Silva Cell and other DeepRoot products are not single-use plastics (e.g., water bottles, single-use face masks, food wrappers, plastic grocery bags, plastic lids), which… More

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How Much Soil Do You Need to Grow a Big Tree?

It seems pretty universal that everyone likes trees. We find them pretty, and calming, and they make us feel healthy. Space, pollutants and engineering requirements are all major factors that affect the growing conditions for urban trees. But other than picking a climate-appropriate tree, soil availability is one of the biggest elements in their success… More

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Green Infrastructure and the 3 C’s: Creativity Collaboration and Compromise

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

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Our Recommended Soil Volume for Urban Trees

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

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Research for the Greater Good

A recent research study conducted by Bartlett Tree Research Laboratories tackled the question of the best methodology to grow trees in cities, with the ultimate goal of reaping benefits that mitigate the impact of climate change. The study, titled Aboriculture and Urban Forestry 2019 – in process was produced by Dr. E. Thomas Smiley, Dr. Kelby Fite,… More

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LEEDing by Example: How D.C. Became the First LEED Platinum City in the World

Contrary to recent actions taken by the Federal government, Washington D.C.’s local government has made unprecedented strides towards creating a cleaner, more sustainable future. The District of Columbia has recently emerged as an environmentally progressive leader and is actively working to reduce greenhouse gas emissions, support clean energy innovation, and focus on livability for all… More

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Seattle street

Trees and sidewalks: A strategic approach to conflicts

Trees and sidewalks transform city streets into lush and inviting places to linger, to chat with a neighbor or enjoy the outdoors on a summer evening. As key pieces of urban infrastructure, they each invigorate a city in their subtle ways. Both provide health and economic benefits, and help to build character and support a… More

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Regulatory Drivers of Green Infrastructure

Why do we have green infrastructure? Is it simply a better way to manage stormwater in our cities – or are do regulatory drivers relating to stormwater discharges encourage its use? What are the impacts of our federal regulatory structure on market demands? All of these questions are related. If you live in a medium-sized… More

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Applying SITES v2 to the Landscape

SITES is an ecosystem services framework for built landscapes. A decision-making hierarchy of conservation, restoration and generation underlies much of the SITES credits, emphasizing the need to conserve resources and protect healthy functioning systems, restore what has been degraded, and create a functioning ecosystem in order to generate new ecosystem services where none exist. This… More

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