International organizational sponsors must first license the Project WILD office before using the materials in their country. The materials are adapted to suit the wildlife and ecosystems of the country and, in most cases, are translated.  Project WILD works with the international sponsor to design a program that meets the needs of that country and, when necessary, provides training to the sponsoring organization staff.

Project WILD is sponsored in all Canadian provinces through the Canadian Wildlife Federation (CWF). The Canadian Project WILD Activity Guide, published in both English and in French, combines the activities found in the American version of the Project WILD K-12 Curriculum and Activity Guide and the Project WILD K-12 Aquatic Curriculum and Activity Guide. As in the United States, the materials are made available exclusively through workshops for educators. Agreements between the CWF and participating provincial and territorial governments and other agencies have steadily expanded the implementation of the program nationwide since 1984.

Visit Project WILD Canada.

The Czech Republic became a sponsor of Project WILD in 1992, through Czech JUNAK, the association of Boy Scouts and Girl Scouts which is one of the largest nationwide organizations for youth in the country. In sponsoring Project WILD, Czech JUNAK works in collaboration with the Ministry of the Environment and the Ministry of Education-Youth and Sports of the Czech Republic. The Center in Uherske Hradiste and the ecological group of its Central Committee, Czech JUNAK translated and adapted Project WILD for the scouting program. Having identified a nationwide need in the country for an interdisciplinary environmental education program, Project WILD is distributed through a network of twelve environmental education centers throughout the country. The first seminar for employees of the distribution centers was held in April, 1995. One year later, 89 seminars had already been held for 1,737 educators who in turn taught an average of eight classes per year involving an average of 25 children in each class.

The Centre for Environment Education in Ahmedabad sponsors Project WILD in India. The Centre is a national institution supported by the Federal Government of India's Department of Environment, Forest, and Wildlife. The Centre conducts teacher training programs during which Project WILD activities are introduced. The Centre works with students who visit Sundarvan, a nature discovery center, and carries out selected activities with students visiting the Ahmedabad Zoo. In 1997 the Centre produced a publication entitled The Green Teacher: Ideas, Experiences and Learnings in Educating for the Environment, which introduces selected adaptations of Project WILD activities. In early 2000, supported by the National Ministry of Education, the Centre published Wild in the Zoo: An Information and Activity Manual on Educational Opportunities at a Zoo. These publications are disseminated through teacher workshops organized in collaboration with local grassroots organizations and zoo authorities. The Centre also produces a newsletter, News EE, which brings environmental education information into the farthest regions of the country.

Iceland became a sponsor of Project WILD in 1992 through Namsgagnastofnun, the National Centre for Educational Materials, Iceland (NCEM). The organization is financed by an annual parliamentary appropriation and provides materials to compulsory schools free of charge. NCEM translated and adapted Project WILD to fill a need for a national curriculum for compulsory schools to teach natural sciences for students age seven to nine years. Project WILD materials are provided through workshops conducted by personnel from the Department of In-service Education at the Teachers' Training College, NCEM, and the Department of Educational Development at the Ministry of Culture and Education. Project WILD is also compulsory for all first-year teacher students approximately 120 annually at The University College of Education. The country is divided into nine educational regions, with a total of 220 primary and secondary schools, 3,900 teachers, and 42,000 students. Between 200 and 500 teachers and future teachers receive Project WILD training annually.

Project WILD is sponsored by the Parks and Recreation Foundation of Japan, which introduced the program in 1999 with a focus on enhancing environmental education in national government parks and urban parks. During its first year as a program sponsor, the Foundation has translated both the Project WILD K-12 Curriculum and Activity Guide and the Project WILD K-12 Aquatic Curriculum and Activity Guide into Japanese. Also, the Foundation trained 83 program facilitators, and an additional 420 educators through eleven training courses held in three national government parks. The Foundation added Science & Civics: Sustaining Wildlife to its program in 2005.

Visit Project WILD Japan.

Project WILD in Sweden has been sponsored by the Inservice Training Department of Umea University. The Swedish government, supported by the National Board of Education, provided a multi-year Inservice Program for teachers and adapted and translated Project WILD according to the national guidelines for compulsory school grades 1-9. Project WILD is now used in tandem with other materials developed by the university's "Forest in School" program.