Trees cause more pollution than automobiles do.

Approximately 80% of our air pollution stems from hydrocarbons released by vegetation, so let's not go overboard in setting and enforcing tough emission standards from man-made sources

Eighty percent of air pollution comes from plants and trees.

Approximately 80% of our air pollution stems from hydrocarbons released by vegetation, so let's not go overboard in setting and enforcing tough emission standards from man-made sources.

The Bridge to Nowhere.

the trade union which dealt the death blow to communism.