ARCAS - Formed in 1989, ARCAS offers conservation volunteer opportunities in Guatemala. Also offers spanish language training.
Asociacion ANAI - A non-profit offering conservation and nature volunteer opportunities in Costa Rica.
Asociacion Casa Guatemala - Offers low cost volunteer abroad opportunities in a orphaned and abused children’s shelter in Guatemala.
Australian Volunteers International - Offers Australians information and programs to volunteer abroad in the developing world.
Belize Botanic Garden - Maintains educational volunteering programs addressing conservation and sustainable agriculture in Belize.
Bethany Home - Provides volunteer abroad opportunities helping disabled children and adults in Malaysia.
Biosphere Expeditions - Offering volunteer wildlife protection missions in countries around the world.
Blue Ventures Conservation - A UK organization with volunteer opportunities conserving and restoring the coral reefs.
Break Charity - Break Charity has programs for child, families, and adults with special needs. Offers volunteer programs to work in the United Kingdom.
Brethren Volunteer Service - Offers numerous religious youth volunteer abroad programs.
British Trust for Conservation Volunteers - Promotes conservation and wildlife volunteering abroad opportunities in the United Kingdom and worldwide.
