al.). A direct effect of the endeavor performed by environmental agencies and programs like the 1970 Clean Air Act is the fact that the level of certain pollutants slowly decreased ever since the 80s. Even with that, such successes are rare and a great deal of the progress experienced in the time period lasting from the 70s and until the end of the twentieth century have been forgotten as pollution once again became a serious issue in Houston. During the recent decade emission levels have steadily increased as people failed to realize that they first have to discover which pollutants harm them the most and to act in accordance with this discovery (Sexton et. al.).

What most cannot understand is that air pollution is a direct...

A series of actions people perform on a daily basis all materialize in the air they breathe and in the fact that their health suffers as a result of the pollutants they bring into being.
Bibliography:

1. McNulty, Sheila. Air pollution: Houston's other environmental disaster." Financial Times. September 12, 2010.

2. Sexton, Ken; Linder, Stephen H.; Marko, Dritana; Bethel, Heidi; & Lupo, Philip J. "Comparative Assessment of Air Pollution-Related Health Risks in Houston," Environmental Health Perspectives 115.10 (2007)

3. "Getting the Big Picture on Houston's Air Pollution." Retrieved September 22, 2010, from the NASA Website: http://www.nasa.gov/vision/earth/everydaylife/archives/HP_ILP_Feature_03.html