The Mackenzie and Amazon valleys are 10 000 km apart and are ecologically distinct. Yet, in a subtle sense they are collaborating elements within the biosphere, the Earth's …| National Film Board of Canada
This short documentary invites us to Göteborg, Sweden, where the 23rd world championship match for builders of free-flight model aircraft was held in July 1971. The film follows …| National Film Board of Canada
Films directed by William Pettigrew Available for online viewing on NFB.ca.| National Film Board of Canada
This film employs a multi-image technique to contrast scenes of natural grandeur--mountains, forests, and wildflowers filmed in Canada's national parks--with images of the polluted rivers and countryside that …| National Film Board of Canada