CERFA is a botanical reserve in the Ecuadorian Amazon that works in the conservation and restoration of rainforest habitat, with a particular emphasis on orchids and insects. Volunteers can help to maintain an inventory of the orchids and pollinators in the reserve, develop education programs for the visitor centre and, in conjunction with local schools, coordinate reforestation programs with neighbouring communities.
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Child Family Health International (CFHI), based in San Francisco, USA, needs volunteers to help with their shipments of medical supplies to Bolivia, Ecuador, India, Mexico and South Africa. There are both on-going and one-time volunteer opportunities available for both individuals and groups, year-round.   Visit site

Child Family Health International (CFHI) builds and strengthens sustainable healthcare services for underserved communities worldwide. CFHI conducts international health, service-learning programs for medical, pre-medical and other health students. Each year, by sending students to work and study with our international partners, we provide health services for families and children around the world.   Visit site

The mission or CARE Mumbai is to bring people, their ideas and knowledge together and provide a platform for helping the underprivileged section of  society.And tackle problems like communalism, deprivation, discrimination and exploitation.  Visit site

Coral Cay Conservation provides resources to help sustain livelihoods and alleviate poverty through the protection, restoration and management of coral reefs and tropical forests. By providing the technical and financial support that developing countries need in order to produce conservation management plans for threatened reefs and forests. By training international volunteers and host-country partners to gather, interpret and monitor the data that's so crucial for effective conservation. By working with host-country governments and other organisations to encourage education and sustainable livelihood opportunities in local communities.   Visit site

Cosmic Volunteers is a US-based non-profit organization that offers volunteer and internsip programs abroad in China, Ecuador, Ghana, India, Kenya, Peru, the Philippines, and Vietnam. Our volunteers are placed at schools, hospitals, newspapers, orphanages, HIV/AIDS clinics, women's groups, and other organizations who ask us for assistance. Our volunteers are mostly from the US, Canada, and Europe, from all walks of life, and range in age from high school to retirees.  Visit site

Since 1947, the Council on International Educational Exchange, known as CIEE, has been in pursuit of its mission, "to help people gain understanding, acquire knowledge, and develop skills for living in a globally interdependent and culturally diverse world." Our services to young people studying, working, teaching, and traveling abroad are more important than ever. As we look ahead, we reaffirm our commitment to the principles and values that guide this mission statement.  Visit site

CRACYP (which stands for Rural Forestation and Progress Network Corporation, in Spanish) is a non profit organization facilitating reforestation and sustainable rural development in an agricultural area of extreme poverty including over 200 communities in the foothills of the Western Andes in Ecuador.   Visit site

Cross-Cultural Solutions offers international volunteer programmes in Brazil, China, Costa Rica, Ghana, Guatemala, India, Peru, Russia, Tanzania and Thailand. Programmes range 2-12 weeks, making it easy for students to participate during holiday and summer vacations.  Visit site