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How to Correctly Plant a Tree

April is Arbor Month and a new five-minute video produced by the Iowa DNR aims to help residents learn to properly plant trees and avoid very common mistakes—vital to the longevity of new plantings. Common errors such as planting roots too deep or too...

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4/29/21
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
Landscaping for Resilience in a Changing Climate (Online Course)

The Earth's climate is changing. Impacts - including higher temperatures, rising sea levels, and longer periods of extreme weather - are...

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1/22/20
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
Urban Forests For Urban Futures: How Trees Help Create Better Cities

Check out this exciting webinar that covers which cities around the world are considered "green" and have a significant amount of green spaces and forest cover and what impact that is having on the economy, people, and environment. 

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3/16/18