Response options: Air pollution/smog, Water pollution, Global warming, Ozone depletion, Industrial pollution, Drinking water, Genetically modified, Forest loss/clear cutting, Loss of wildlife habitat, Municipal garbage/landfills, Toxic chemicals, Contaminated sites, Mines, Military bases, Waste disposal sites, Fuel storage areas/gas stations, Other contaminated sites, Parks and wilderness, Kyoto Accord, Acid rain
Response options: Never, Less than once a month, About once a month, Two or three times a month, About once a week, Several times a week, Once a day, More than once a day