Air pollution
most air pollution is caused by the burning of..
fossil fuels
air pollution resulting from farming, construction and forestry (ex. dust)
particulate matter
people who are most sensitive to air pollution
older people, young people, those with respiratory issues
What role does ozone in our atmosphere play??
it provides protection against harmful substances radiation from the sun.
A pollutant that is put directly into the air by human activity.
What is a primary pollutant
Three Gases that result from the burning of fossil fuels are
CO carbon monoxide NO nitrogen oxide SO2 sulfur dioxide
organic chemicals that vaporize into toxic fumes
VOC's volatile organic compounds
Syndrome associated with buildings that have very poor air quality
sick building syndrome
What is the major cause of ozone depletion??
Use of CFCs or Chlorofluorocarbons
This is the process of removing the salt from salt water
desalination
Three human activities that create the most air pollution are
electrical power plants, cars, factories
formed when sulfur is present in smoke and is one of the components of acid depostion
sulfur dioxide
What is the goal of Freedom CAR?
producing a clean car with the cost as today's automobiles but with much greater efficiency.
What are three consequences of ozone depletion
eye cataracts,
skin cancer
decrease in plant
The condition when buildings have very poor air quality
sick-building syndrome
pollutant put directly into the air by human activities
primary pollutant
when pollution mixes with rain
acid rain
Law passed in 1970 to regulate air quality
Clean Air Act
What was a global initiative to prepare the ozone layer
the Montreal Protocol
This is a species that has a declining population and that is likely to become endangered if it is not protected.
a threatened species.
pollutants formed when primary pollutants react
secondary pollutants
when auto exhaust and sunlight and air react
tropospheric ozone
warm polluted air is trapped between two layers of cooler air
temperature inversion
What was the first practical alternative to CFC
HCFCs or hydrochlorofluorocarbons
When air high up in the sky is warmer than air at ground level.
temperature inversion.