Water pollution is not a recently discovered problem. Humankind's ability to generate pollutants continues to exceed its ability to control them. The Adopt-A-Stream program invites people who care for waterways to take an active role in assuring their well-being. High school groups supported by local co-sponsors agree to evaluate their adopted…

The Don River watershed is located within Canada's most highly urbanized area--metropolitan Toronto. Many residential and commercial uses, including alterations to the river's course with bridges, have had a significant impact on the Don's fauna and flora. Pollutants have degraded the river's water quality, a situation exacerbated by the…