Demography

Air pollution comes from a variety of sources, many of which we see in our everday lives but do not recognize as sources of pollution.  The following is an overview of point and non-point sources, and specific examples of both.  It may be suprising to see that air pollution comes from every level of our society. READ MORE »

Projections show that highway VMT will increase by 60% compared to a increase of only 23% in population, suggesting that Americans are expected to continue driving more miles on the road and will not decrease their driving habits.  This does not necessarily mean that vehicle-related pollution will increase by an equivalent amount because cars continue to be cleaner, more fuel efficient, and are running on alternate sources of fuel that release fewer emissions. READ MORE »