Newsletters related to cultural and spiritual values from various sources:

• United Nations University Newsletter on Traditional Knowledge: http://tkbulletin.wordpress.com/
• Convention on Biological Diversity Pachamama; News Letter on Traditional Knowledge: http://www.cbd.int/traditional/
• Stay up-to-date with the news on UNESCO's Culture website trough the newsletter: http://portal.unesco.org/culture/en 
• The Yale forum on religion and ecology newsletter: http://fore.research.yale.edu/publications/newsletters/index.html
• The Friend of Resurgence newsletter:http://www.resurgence.org/
• Martin Gray's sacred sites newsletter: http://sacredsites.com
• Center for Humans and Nature, Magazine; Minding Nature: http://www.humansandnature.org/