Red-light runners in Chandler, Ariz., will continue to be photographed and charged because the city's council has voted to keep its photo radars around for another year. Go to a major Chandler intersection that has photo radar and see whether drivers are stopping short or stepping on it to get out of the way of Big Brother. Ask people on the street whether they like the snapshots.

District 7 (downtown) has the most murders, sexual assaults, physical assaults and crimes in general of any part of Phoenix, police crime statistics show. Visit Central City Village, take a quick survey to see whether you can find any examples of crime, and ask passers by if they feel safe. Are they surprised that this part of town is the most dangerous?

Arizona State, University of Arizona and Northern Arizona students will pay more in tuition -- between 12 and 20 percent more, starting in September. Go to your campus of choice and ask students for their views on tuition increases. Find out how they sustain themselves during their studies.

A wave of Tai Chi will circle the Earth on World Tai Chi Day as, 10 a.m. local time everywhere, Tai Chi masters will lead neighborhood gatherings. Be at one session in your city as the wave passes by April 24. Speak with the session's leader and some of the participants, asking about their favorite moves.

Earth Hour will, once again, have (some) people turning out their lights for the World Wildlife Fund's climate change awareness program. This Earth Hour, be at the go-to place in your city when the lights go out. Speak with people in the dark about why they care about sustainability. Take shots of key landmarks around town that have gone dark. When the lights come back on, film them again to get the contrast.

Debate over the metric system has come racing back to the public agenda, since $1.5 million of federal stimulus spending originally intended to replace kilometers with miles on signs along Interstate 19 has been redirected elsewhere. Find a spot overlooking one of the strange signs on I-19. Ask passers-by whether a measurement in kilometers means anything to them. Can they figure it out in terms of miles? Get a perspective shot, driving down the highway. Show a few examples of the signs.

Students struggling with money are getting a break with a new online service that rents out textbooks. The service cuts an undergrad's course material costs from $800 to $200. Hit your campus of choice to see whether students know about this option, and get their reactions. You should film a student buying titles at the campus bookstore.

Dumpster diving has been historically reserved for the homeless and the hungry, but it's now becoming trendy for teenagers and twentysomethings to rumage through refuse. The practice is seen as socially conscious and it's being embraced by vegetarians and vegans in particular. Follow a selection of scroungers as they find their food and ask them about the appeal.

A move to curb text messaging behind the wheel seems to be gaining momentum. Find a driving instructor. Have him take you in his car to a closed track and show you how texting while driving can affect your reaction time and potentially cause an accident. Ask people on the street wether they text and drive.

People and organizations all over the world are banding together to help with the recovery from the afternoon the earth shook under Haiti. Find the most poignant example of an individual or group sacrificing to physically help, and document the contribution.