Introduction Did you know that there are enough parking spaces in the United States to fill up the state of Connecticut? There are approximately 2 billion parking spots in America (servicing the needs of about 200 million cars). On average, a quarter of every major city’s land is parking area — with some cities, like… More
There is no universal list of trees that should — or should not — be planted in cities. A species that performs well in one region, streetscape, or soil type may be poorly suited to another. DeepRoot does not select tree species for individual projects, and the examples in this article should not be treated… More
Introduction How do we build functional, sustainable urban communities? This is an increasingly critical question as the proportion of global population tilts more and more to city living. Urban density is an unignorable component in the equation — but not all density is created equal. Successful, eco-friendly city space can be dense; indeed, in some… More
The following Q&A on soil erosion was answered by Nick Comerford (University of Florida) and was reprinted from the “Soil Matters” blog. Q: What does it mean to say we are losing soil? Where does it go? A: You may hear the phrase: “We are losing our soil.” Sounds serious…but how do we lose… More
What does “good” soil mean? It depends on your point of view. If you are engineer, you like soil that drains well or compacts easily to bear weight. If you are a farmer, you want soil that is fertile, easy to till, and soaks up water without runoff. If you are a tree… well, what… More
This post was originally published in 2017. The National Association of City Transportation Officials (NACTO) is a coalition of America’s largest cities committed to building safe, sustainable transportation systems and active cities through better street design and transportation policy. NACTO has established itself as a leader in changing the way our streets operate for people… More
Introduction Physical public spaces have for decades been important features of urban living, community centerpieces that provide a number of concurrent benefits – from health advantages to spurring economic revitalization and increased home values. If anything, the technological and medical conditions of modern life – from social media and virtual meetings to the Covid-19 pandemic… More
Cities at the Forefront Biodiversity, the mix of animal and plant species in a given region, is an important measure of environmental health and a crucial component of conservation efforts. Traditional thinking on biodiversity has viewed cities as its antithesis — a disturbance to the natural environment where life organically thrives. And there’s no doubt… More
Introduction Green infrastructure has become a widely adopted component of stormwater treatment initiatives across the globe — but can GI be integrated even in the tightest-space built environments, where numerous priorities are competing for the same area? Yes! With a little creative design and the right strategic partners, GI can be utilized in just about… More
Introduction A red maple tree rises forty feet above the park across the street from my Minneapolis house, a centerpiece around which the children play in its ubiquitous shade. For decades it’s been anchoring the neighborhood’s busiest intersection, its flourishing canopy providing coverage for both the grassy park and its adjacent streets. Few would argue… More
There are many factors that contribute to the failure of urban trees, and many are related to soil issues, such as lack of viable soil, soil volume, and compaction. For my entire career, Landscape Architects have been working with Soil Scientists, Engineers, and Arborists to design urban tree planting techniques to meet specific horticultural, structural,… More
Introduction What are the benefits of city trees? One of the first (and most reasonable) responses is that they have a positive environmental impact: not only do mature trees sequester atmospheric carbon, but they improve air quality and assist in stormwater treatment. Trees likewise have an important economic influence, reducing energy usage by providing natural… More
Soil. Stormwater. Sustainable Infrastructure.
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