E mass media campaign (national television, national newspapers, and billboards) was used to increase public awareness of the nature and cause of the greenhouse gas effect, its consequences and possible ways of dealing with this environmental problem. The campaign included 36 commercials for television, 14 advertisements for the newspapers and magazines and billboard and poster displays in high visibility public spaces. A follow-up questionnaire measured the impact of the campaign (n = 704) did not notice any of the campaign elements; 32 noticed TV-spots, posters and/or billboards; 8 read the advertisements. Increased knowledge of the greenhouse effect was MedChemExpress CB-7921220 greatest in the group that had seen the televisionFitzpatrick-Lewis et al. Environmental Health 2010, 9:67 http://www.ehjournal.net/content/9/1/Page PubMed ID:http://www.ncbi.nlm.nih.gov/pubmed/20688927 9 ofcommercials and billboards and had read the advertisements (p < .03). There was no campaign effect on emotional concern or on perceived seriousness of the problem. The campaign effect on voluntary behaviour change was evident only in terms of the separate disposal of small chemical waste (p <. 0001).Educational programA one-time survey studied the impact of an educational program delivered through printed new releases, newsletter articles, newspaper and radio PSA, video news release, prewritten letters to the editor and brochures, in English and Spanish, on increased awareness of West Nile Virus [36]. Fox, Averett, Hansen, and Neuberger, administered a survey to individuals in Kansas (N = 516) in urban and rural households with listed telephone numbers [36]. The State Department of Health and Environment (with a private marketing firm) produced and disseminated a multimedia campaign to increase awareness of and educate about West Nile Virus. The primary messages were: apply insect repellent containing DEET; wear long sleeves and pants during dawn and dusk; eliminate repositories of standing water; and check and repair window screens. Knowledge was widespread but preventative behaviours were not. Television (88 ), newspapers (72 ) and word-of-mouth (65 ) were the most frequently cited sources of information. A small percentage of respondents cited health professionals (8 ) as sources of information (level of statistical significances not reported).Radiodesign. Participants (N = 1292) were recruited from two counties. Telephone interviews were conducted with adults selected through random-digit dialling. Phase 1 of the survey measured baseline knowledge of TRI information; Phase 2 (N = 974) measured whether the publication of 1999 of TRI data affected respondents' knowledge of TRI; in Phase 3 (N = 847) participants were re-interviewed after being sent information about the 1999 data plus a website address where they could obtain additional TRI information. In all three phases there was low recall of the TRI data or facilities. For instance, at Phase 2 only 2 of the respondents recalled TRI without prompting when asked to name the government program that gathers and publicly reports information about industry's releases of chemicals into the environment (level of statistical significance not reported).Automated phone messageA post-test survey explored the effectiveness of a boil water order that was delivered via radio to residents in a community with a Salmonella typhimurium outbreak [21]. Angulo et al. selected a random sample (N = 120 households with 329 members) from 548 households on the municipal tax roster [21]. Many residents.