73% of Washingtonians drive alone to work, rather than walk, bike, bus or carpool. More.

2005 clean air survey findings:

Aug. 16, 2005 –

45 percent of respondents think air quality is a serious or very serious problem.
Concern about global warming is increasing, with 75 percent citing global warming as a somewhat serious or very serious problem.
89 percent recognize emissions from motor vehicles as a major source of air pollution. Roughly 11 percent identified wood stoves and fireplaces.
42 percent think not enough is being done to control air pollution.
A majority of respondents (91 percent) indicated they would change their behavior if they knew what to do, and they are willing to pay anywhere from $1 to $10 per year to have cleaner air.
About a third (31 percent) of respondents already report driving less when air quality is poor — up from 19 percent in 1998.
Of those who do pursue alternative travel options when air quality is poor, most stay home, carpool, or walk. Since 1998, there has been a notable decline in the number who report riding the bus when air quality is poor (19 percent, down from 27 percent in 1998).