View More

Forests and the earth's biomes

How Does Soil Differ Across Earth’s Biomes?

Ecologists group large geographic regions with similar environments and distinctive plant and animal communities into biomes. The environmental factors influencing biomes include latitude, the general climate and topography of the region, and soil. Soil is the foundation of every terrestrial ecosystem. Each biome has soils with characteristics unique to it. 
Queens Quay finished

From Busy Roadway to Pedestrian Promenade
Silva Cell Case Study

The revitalization of Queens Quay, Toronto’s main waterfront street, stretches over 1.7km between Spadina Avenue and Bay Street. Before the recent reconstruction, the street was defined by four lanes of vehicle traffic with narrow sidewalks, and outdated public transit facilities. Dominated by delivery vehicles and used primarily as a loading zone and for the businesses... More
James Cridland

Rethinking Maintenance of Urban Trees

If you’re a municipal arborist, you probably got into the field of tree care because you love working with trees and you could make a modest living. You know that that in cities maintenance is the only way that trees get large – and that size matters when we talk about the kind of ecosystem... More
Ed Suominen_Flickr

What Kind of Arborist Do You Need?

If you’re involved with an urban development project, chances are trees are also involved in some way, depending on the local municipal codes. Existing trees may need to be protected or require a permit for removal. Many municipal codes require a Certified Arborist to evaluate all or some of the trees on site and write... More
Trees and Public Health

3 Ways The Urban Forest Impacts Your City

Trees have myriad positive effects on urban areas. And finally, forward-thinking cities are beginning to see trees as an important investment and understand that well cared for trees are not only an asset to the community, but can also save cities money. Many people already know that trees cool cities and reduce the heat island... More
Biochar_Oregon Department of Forestry

An Interview with Kelby Fite about Biochar

Dr. Kelby Fite is a national leader in the use of biochar to improve tree health. Kelby is an Arboricultural Researcher at Bartlett Tree Laboratory in Charlotte, North Carolina — a 350 acre private arboretum, diagnostic laboratory, and exceptional applied research center. His specialties are root biology and urban soil renovation. Kelby has a PhD.... More
Finished site

Downtown Artery Gets Major Landscape Improvement
Silva Cell Case Study

In 2012, the City of Regina, Saskatchewan launched a major renovation project within their downtown. A central feature of this renovation was the creation of a public square, called City Square, from the public realm space adjacent to and surrounding Victoria Park. A section of Lorne Street, a central artery of downtown Regina that runs alongside... More
Trail_Marker_Tree_located_on_the_border_of_Mettawa_and_West_Lake_Forest,_IL - lead image

The History of Marker Trees

We are all searching for signs in our lives. Which way do I go on this highway? Where should I live? Where should I work? We take internet quizzes to tell us what career we should have and what kind of dog we would be and in what country we were meant to live. We look... More
Imported soil lead image_US.10.041 Lincoln Park

Search for the “Perfect” Soil Specification

Imported soil specifications have evolved over the last 30 years to become quite specific about products. Frequently, they appear to be iron-clad descriptions of the most optimum soil; many specification writers would like us to think that even minor deviations from these documents will result in horticultural disasters. But “standard” specifications are not one-size-fits-all. Many... More
Trees at UNC Bell Tower

3 Ways to Sustain Nature in the Built Environment

Urbanization is occurring rapidly – not just in the United States, but globally – and squeezing people, transit, and housing into denser and denser areas. This shift isn’t just about buildings and roads, of course, it also affects the way we plan, integrate, and care for urban nature. Given that trees and plants are more... More