Human Dimensions of Urban and Community Forestry - Site prepared by Kathy L. Wolf at the University of Washington.  Links to a variety of short fact sheets suitable for printing.

Human-Environment Research Laboratory - at the Univ. of Illinois at Urbana-Champaign, Frances E. Kuo & William C. Sullivan, Directors.  "A multidisciplinary research laboratory dedicated to studying the relationships between people and the environments they inhabit...The mission of the Lab is to generate information about human-environment relationships to guide policy, planning, and design of environments."  This site has information on the study that examined domestic violence in housing units with and without surrounding trees. 

Human Issues in Horticulture at Virginia Tech - Contains a good overview of human issues in horticulture.  Has sections on horticultural therapy, children's gardening, community gardening, and people-plant interaction. 

International Symposium on Human-Horticulture Relationships - Abstracts from papers presented at the XXV International Horticultural Congress in Belgium in 1998.  Papers presented overviews of activities in Asia, the South Pacific region, Europe, and the Americas.

People-Plant Council - The mission of this Council is to document and communicate the effect that plants have on human well-being and improved life quality, focusing on the psychological, sociological, physiological, economic, and environmental effects of plants on people.  Newsletters can be accessed at this site. 

Green Plants for Green Buildings - "Learn how Green Plants for Green Buildings are essential to creating and maintaining a healthy and profitable environment." (formerly called "Plants at Work")
 
Plants for People Organization - "Plants for People is an international initiative with the aim of informing about the feeling of well-being that plants create in the working environment."

Why Study Plants? - This site discusses many of the traditional benefits of plants to people.  It is from Ross Koning's Plant Physiology Information Website. 

Working Group on Human Issues in Horticulture - This site has out-of-date information about this working group of the American Society for Horticultural Science.

Charles Lewis - An inspiration to many in this field - this is an article about him.

Wangari Maathai - 2004 Nobel Peace Prize winner who used tree planting to improve the lives of poor women in Africa.

American Horticultural Therapy Association