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Grassroots Organizing to Narrow the Green Gap

In 2017 I authored a DeepRoot blog post that discussed tree equity and the disproportionate impact a lack of both tree canopy and access to green space has on poor and minority communities.  Many people wondered what was being done to solve these issues and what individuals might do within their own communities to help... More

It’s Time to Take Action to Improve the Quality of Air We Breathe

Air Quality Take a deep breath. Consider that the air you’re breathing in may impact your health. We may not always see it, but air pollution is the cause of some of our most common illnesses. Tiny, invisible particles of pollution penetrate deep into our lungs, bloodstream, and bodies. These pollutants, known as particulate matter,... More

Tree Pits Are the “Pits” But We Can Make Them Better

by Peg Staeheli, PLA FASLA, MIG|SvR Many cities have a long history of tree planting campaigns. However, in order to reap the benefits for health and habitat, we need to continue to help urban trees thrive long after they’re planted. Let’s consider ways we might improve conditions for trees along our streets. Tree pit design... More

Keeping Room for Urban Trees

by Peg Staeheli, MIG|SvR Urban tree canopy is a hot topic these days given its documented benefits to human health and ability to help combat climate change (USDA; ADF) and many cities have a long history of tree planting campaigns. However, in order to reap the benefits for health and habitat, we need to continue... More

Prepare for the Next Drought: Plant Trees

Waiting for the Rain  As I write this in California, I am looking out at a sunny winter’s day. While the sunshine is pleasant, it reminds me that winter is our rainy season, and we don’t want too many sunny days this time of year.     In the San Francisco Bay Area where I live, we... More

What Snow Can Show Us: Getting Inspired by “Sneckdowns”

Winter is upon us, and with it comes snow in many parts of the country. After a decent snowfall the plows come out, and inadvertently begin to illustrate compelling ideas for both traffic calming and public space. Yes, you read that correctly! As plows clear the streets and ensure automotive traffic can get around safely,... More

Street Trees in Britain, A History – Interview with Mark Johnston

Mark Johnston is an independent scholar who holds a PhD in urban forestry from the University of Ulster. He has over forty years experience in the greenspace industry, including working as a tree officer in local government, consultant in private practice, university lecturer, and government adviser. Although originally from London, Mark is based in Belfast,... More

Person Street Innovative Stormwater Greenscape
Silva Cell Case Study

In early 2016, Fayetteville, a city in the Coastal Plain region of North Carolina, began construction on its first green street. The $1.2 million project, born out of partnership between the City of Fayetteville and North Carolina State University’s Department of Biological and Agricultural Engineering, was funded in part by a grant from the Clean... More

Silva Cell Stormwater Sizing Guidelines

In dense urban areas, implementing stormwater management systems large enough to support healthy trees can be challenging given the multitude of street uses and the high volume of pedestrian, bicycle, and vehicle traffic. One option for providing stormwater control without impacting competing surface needs is using a suspended pavement system like Silva Cell. Solutions like... More

Nursery Inspections: The inspection process below ground

In Part One of this blog we set the stage to select quality trees by starting with a good specification, working within the normal project submittal process, and resetting our expectation of what constitutes a good quality tree. The requirements for inspecting the parts of the tree aboveground were reviewed. For the inspection of the... More