The total area of leaves is critical: a few trees.

Particles, odors and pollutant gases such as nitrogen oxides, ammonia and sulfur dioxide settle on the leaves of a tree. Trees absorb these toxic chemicals through their stomata, or ‘pores’, effectively filtering these chemicals from the air.Yes, just as president Ronald Reagan said in"Trees cause more pollution than automobiles do," he opined.

A little later, environmental scientists ruefully Estimated Reading Time: 2 mins.InPresident Ronald Reagan claimed that trees produce more air pollution than automobiles, fueling a spate of jokes about “killer trees.” He was mostly wrong, but not completely. It is true that forests emit volatile organic compounds and reactive hydrocarbons such as isoprene, a chemical that contributes to air pollution." Trees cause pollution" is a gloriously stupid concept foisted upon the public in by U.S.

President Ronald Reagan. The full quote of his statement was,"Trees cause more pollution than automobiles do." Reagan was falsely referencing the photochemical reaction that causes ground level ozone pollution (GLOP), also known as photochemical smog.Trees normally mitigate the effects of air pollution caused by the emission of carbon dioxide and other greenhouse gases.

As trees get cut down, the burning of fossil fuels required to operate wood-cutting machinery and large transportation vehicles further exacerbates the stumpcutting.barted Reading Time: 2 mins.