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Unfortunately, I’ve come across a number of resources which only focus on the negatives of digital footprints and promote a culture of fear. The message I like to promote is that we should protect our digital footprints and try to ensure that they are positive. Encouraging students to avoid posting or doing anything online just seems cou

2. Students could use their smart phones’ cameras to map their own neighborhoods, documenting (for example) the number of trash cans on street corners. That information could be plotted and shared city-wide, and the data could be examined for patterns and anomalies. Are there more trash cans in wealthy areas? If so, ask the mayor, the Department of Sanitation and the City Council for an explanation. Again, students will be turning information into knowledge. I wrote about this a while ago in more detail.

3. Why not measure water quality? A hand-held monitor/tester of Ph costs under $100, and the instrument that tests conductivity (ion levels, which relates to purity) is available for under $100. Turbidity — how cloudy the water is — is important to measure as well, and that can be done with an inexpensive instrument and a formula. Students could also measure the speed of the current and keep track of detritus. Then share all the data with other science classes around the city, region and state. Everyone could dig into the information looking for patterns. If one river’s water seems relatively pure until it passes point X, students could endeavor to find out why.

Work like this is, well, real work. Students are creating knowledge; they are designing projects and seeing them through from beginning to end. These projects have to meet real-world standards because the results are in public view.