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Chicago Region 2020 Tree Census

The Morton Arboretum has released the results of its 2020 Chicago region tree census. Findings include the loss of an estimated 6 million ash trees, felled by the emerald ash borer. Chicago's canopy cover decreased from 19% to 16%, largely because of...

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5/4/21
Tree Equity for Climate and Health: State and Local Applications

The legacy of institutional racism including redlining and other discriminatory policies have paved the way for an urban landscape that is deeply divided. Too often, a map of tree canopy is also a map of income and race, with corresponding public...

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3/24/21
Biocultural stewardship: Transforming our urban and community forestry practices

Diverse perspectives and approaches to learning and knowing can strengthen our work in urban and community forestry. Indigenous and local knowledge is embedded in the concept of biocultural stewardship - an approach to working with communities...

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12/28/20
Bartlett Tree Experts Series: Sustainable Landscape Management

Greg reviews the key components to maintaining our stressed landscapes with tried and true Sustainable Landscape Management practices.

Speaker: Greg Paige, Director of Horticulture and Arboretum Curator, Bartlett Tree Research Laboratories and...

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12/15/20
Millions, Billions, and Trillions - Do You Have the Tools to Keep New Trees Alive?

To keep pace with the increasing impacts of climate change, people across the country are planting more and more trees. But how will you track these trees to make sure you get the optimal return on this investment of time and resources? Join us for a...

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11/2/20
New guidance for tracking long-term tree survival, growth, and health

Field monitoring of urban trees is essential to learn how urban forests change over time. Many arborists and urban forest managers worldwide seek to understand how their tree systems are faring in terms of growth, health, and mortality. The Urban Tree...

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9/28/20
Rx for Hot Cities: Urban Greening and Cooling to Reduce Heat-Related Mortality in Los Angeles and Beyond

Across the country, a number of cities are setting ambitious tree canopy goals to fight the trend of a decline in tree canopy. Among the many causes of canopy loss, development is a key driver, and is one that communities can significantly influence...

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7/24/20
The global tree restoration potential

The restoration of trees remains among the most effective strategies for climate change
mitigation.We mapped the global potential tree coverage to show that 4.4 billion hectares
of canopy cover could exist under the current climate....

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7/9/20
CommuniTree: A Model for Engaging Communities in Tree Planting and Maintenance Projects

Tree planting can help communities achieve many resiliency goals such as cooling heat islands, reducing stormwater floods, and building neighborhood cohesion. But trees can only do these things if they survive and thrive to maturity. CommuniTree is a...

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4/13/20
A Call to Action for Ash Tree Conservation and Resistance Breeding

Ash tree species in North America are under mortal threat from the Emerald Ash Borer (EAB), now in 35 states and five Canadian provinces. There are ongoing efforts to conserve this native tree species by producing genetically diverse, resistant...

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3/30/20
Phytoremediation of Soils using Fast-Growing Trees in Vacant Lots and Landfills

Phytoremediation is a green technology that utilizes specialized trees to remediate contaminated soils across the rural to urban continuum. The trees stabilize pollutants in the soil, trap the contaminants in their biomass, and/or break down the...

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3/9/20
Why Are Trees Important? Human Health and Economics

An ever-growing, international body of research points to many human health and wellness benefits that result from nearby nature experiences. But what about trees? Two recent reviews have explored, first, the studies that focus on the urban forest and...

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11/25/19
Breeding and Restoring the Next Generation American Elm

Iconic tree species include those native trees that once dominated the typical American city landscape. The American elm and chestnut are the first two that come to mind, and now ash trees are similarly under significant threat of loss. The USDA Forest...

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9/26/19
URBAN TREE CANOPY ASSESSMENT: A Community’s Path to Understanding and Managing the Urban Forest

An Urban Tree Canopy (UTC) assessment, which provides a measure of a community’s tree canopy cover, is important for understanding the extent of a community’s forest or tree resource. UTC assessments are often used for establishing and implementing...

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8/1/19
Forest Health and Biotechnology: Possibilities and Considerations

The American chestnut, whitebark pine, and several species of ash in the eastern United States are just a few of the North American tree species that have been functionally lost or are in jeopardy of being lost due to outbreaks of pathogens and insect...

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1/8/19
Reducing Tree (and Soil!) Damage during Construction

As the pace of urban development increases, urban green spaces, and urban trees in particular, come in direct conflict with bulldozers and backhoes. With careful early planning and an understanding of how tree damage occurs, strategies for tree...

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12/18/18
Forest Management Framework for New York City

NYC’s forested natural areas provide important benefits to the city including high-quality recreation, enhanced biodiversity, and improved air and water quality. The Natural Areas Conservancy (NAC) and the New York City Department of Parks and...

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12/3/18
Green-Wood Cemetery GIS Project

This is an example of how a historic landscape and public garden used GIS to map, track, and monitor tree health on their grounds. The presentation highlights how one might be able to use GIS at their public garden and some of the key features GIS...

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10/31/18
Accounting for Trees in Stormwater Models

This paper is intended to help the stormwater engineering community more easily account for trees in runoff and pollutant load calculations so that they can more readily incorporate them into their stormwater management strategies.

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10/25/18
2018 State of the World's Forests

It is now almost three years since world leaders agreed to chart a course towards a better, more prosperous future for the planet and all its people. The 2030 Agenda for Sustainable Development, with its 17 Sustainable Development Goals (SDGs), has...

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9/19/18

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