Established in 1948, SRM has over 4,000 members in 48 countries, including many developing nations . The American Society for Environmental History seeks understanding of the human experience of the environment. Emphasis is on the perspectives of history and the liberal arts and sciences. The Society encourages dialogue among the disciplines on every aspect of the present and past relationship of humankind to the natural environment. To these ends, the Society organizes conferences and publishes a refereed journal.
National meetings take place yearly.
With over 13,200 members, ASA encompasses sociologists who are faculty members at colleges and universities, researchers, practitioners, and students. About 20 percent of the members work in government, business, or non-profit organizations. ASLE was founded in 1992, to promote ideas and information pertaining to literature that considers the relationship between humans beings and the natural world. ASLE encourages and seeks to facilitate new nature writing , traditional and innovative scholarly approaches to environmental literature. Based in the UK, the society caters for all who care about forestry, forests, woodlands and trees, their husbandry and their future.