Water and sanitation

Some links to educational materials/activities related to water testing and purification:

Hesperian

HTML text summary of a classroom activity teaching about water pollution and filtration. Would need some work. I will contact the author about making this more complete and using more images rather than text, as a resource for teachers.

Folks who have made high-quality videos about water quality for kids. Many are about large-scale water systems rather than small-scale technologies kids can reasonably implement on their own, though.

Links and shopping lists for activities about water and peace/politics

Water and air quality activities