U.S. urban land increased from 2.6% (57.9 million acres) in 2000 to 3.0% (68.0 million acres) in 2010. States with the greatest amount of urban growth were in the South/Southeast (TX, FL, NC, GA and SC). Between 2010 and 2060, urban land is projected...

The tenth and first installment of 2018 in the Eastern Seed Zone Forum's online lecture and discussion series aimed at providing both information about the creation of seed zones in general and a forum in which professionals, experts, and interested...

Learn about how to evaluate sites that are ideal for urban tree health and growth and resources and tools on how to better assess these sites. 

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. 

Check out this exciting webinar that covers the impacts trees in urban areas can have on climate change and the role they can play in mitigating adverse impacts. 

New research shows that trees communicate with one another and share nutrients through their roots! They need each other. In urban areas, trees also help us with health, economic and social benefits. They are part of our culture. We need them. So...

Presented by Ray Leimkuehler from Desert Botanical Garden at the 2018 Small Gardens Symposium, this presentation covers tree management, planning, and urban forest modeling for small gardens. It will also cover the environmental, social, and economic...

The water quality benefits of forests are widely accepted, yet very few studies have successfully quantified the runoff and pollutant-reducing impacts of trees in the urban landscape. Uncertainty as to how to "credit" urban trees - everything from...

Urban forests produce ecosystem services that can benefit city dwellers, but are especially vulnerable to climate change stressors such as heat, drought, extreme winds and pests. Tree selection is an important decision point for managers wanting to...

The Center for Watershed Protection reviewed a total of 159 publications to evaluate the research questions defined in the scope of this project:

1. What is the effectiveness of urban tree planting on reducing runoff, nutrient and sediment?...

In spite of the proven value of trees for reducing stormwater flows and pollutants, there remains a widespread lack of understanding, acceptance, and credibility of their use for managing stormwater. In this webinar, Chris Kaeff and Craig Frye will...

Using the case of Portland, Oregon, this webinar will provide context for assembling city-scale programs that enable community groups, researchers, and city staff to advance urban canopy management and expansion. Angie DiSalvo will present the context...

Trees are integral to campuses of colleges and universities. Tree collections at many schools are used for teaching and help to define the sense of place that many scholars associate with learning and discovery. Old trees on campus property may predate...

In collaboration with the band Flobots, Denver Botanic Gardens created a fun educational video on the impacts of the invasive Emerald Ash Borer. 

Trees are one of the most important display pieces in every Garden due to their size, presence, and impact on light levels. In this session, two horticulturalists who are experts at tree care will tackle two major issues in Public Gardens—construction...

Centennial Trees is a nine-year-old outreach program of the Birmingham Botanical Gardens that educates the community on the importance of planting locally-sourced native tree seedlings in public spaces. Trees selected for the program are determined to...

Arboreta and gardens have an ability to fill an important role in germplasm conservation by participating in ex situ collections. Globally, trees are facing a human-driven mass extinction, and our native flora...

Public gardens have the capacity to have a positive influence on their community though interactions with their guests. The Energy-Saving Trees Program offers a platform for gardens to provide service to their...

Dedicated to preserving our forests and replanting trees, American Forests provide information on the impacts of climate change on forests. The challenges facing trees from fire, urban areas, water and other issues are explored. The Global ReLeaf...

With more than 8,000 tree species threatened with extinction, an urgent need exists for botanical gardens to protect threatened trees in dedicated conservation collections. A new report published in the international conservation journal Oryx offers...