University of Essex, interdisciplinary Centre for Environment and Society
http://www.essex.ac.uk/ces/
University of Essex, Centre for Sports & Exercise Science
http://www.essex.ac.uk/bs/cses/index.shtm
Natural England
http://www.countryside.gov.uk/LAR/Recreation/WHI/greenexercise.asp
Mind Ecotherapy
http://www.mind.org.uk/mindweek2007/report/
Walking for Health
http://www.whi.org.uk/
Wilderness Foundation
http://www.wildernessfoundation.org.uk/
National Care Farming Initiative
http://www.ncfi.org.uk/
COST Action 866 Green Care in Agriculture
http://www.umb.no/greencare/article/working-group-1-health-effects-of-green-care
http://www.ggut.org/english/index.html
http://www.konrad-neuberger.de/english/vita/index_vita.html
Farming for Health
http://www.farmingforhealth.org/
Campfire Skills
http://www.campfireskills.co.uk/
National Trust
http://www.nationaltrust.org.uk/main/
Countryside Recreation Network
http://www.countrysiderecreation.org.uk/
BTCV Cymru
http://www2.btcv.org.uk/display/btcv_wales
Green Gyms
http://www2.btcv.org.uk/display/greengym
Ecominds
http://www.mind.org.uk/ecominds/
Operation Wallacea
http://www.opwall.com/
Healthy Parks Healthy
People International Congress
http://www.healthyparkshealthypeoplecongress.org/
Discovery Quest
http://www.discoveryquest.org/
Dementia Adventure
http://dementiaadventure.wordpress.com/
LEAF
http://www.letnaturefeedyoursenses.org/letnature/home.eb
Thrive
http://www.thrive.org.uk/what-is-social-and-therapeutic-horticulture.aspx
Centre for Child and Family Research (CCFR) at Loughborough University
http://www.lboro.ac.uk/research/ccfr/growing_together/
Richard
Louv
http://richardlouv.com/
Dr Mardie
Townsend
http://www.deakin.edu.au/hmnbs/hsd/staff/index.php?username=mardie
Children and Nature Network
(C&NN)
http://www.childrenandnature.org/