Pollutants & Their Sources
This pollutant is released directly into the atmosphere.
primary pollutant
Double Points
The major U.S. law that regulates air pollution and sets air quality standards.
The Clean Air Act
A condition where warm air traps cooler polluted air near the ground.
Thermal Inversion
Rain, snow, or fog that contains a Ph of 4 or lower formed from air pollution
Acid deposition
A device in car exhaust systems that converts harmful gases into less harmful ones.
catalytic converter
Pollution that comes from many sources and is difficult to trace.
Nonpoint source pollution
These six major air pollutants are regulated by the Clean Air Act.
Criteria Pollutants
Double points
Health problems caused by poor indoor air quality in sealed buildings.
Sick Building Syndrome
A substance that damages the brain or nervous system.
A neurotoxin
Steal 200 from a team
A device that removes particles from smokestack emissions using electric charge.
electrostatic precipitator
These gases produced by combustion contribute to smog and acid rain.
NOX and SOX
Steal 100 from 3 teams
An international agreement that reduced ozone‑depleting substances.
The Montreal Protocol
Urban areas being warmer than surrounding rural areas.
Heat Island Effect
Tiny solid or particles like dust or soot in the air which can cause trouble breathing.
Particulate matter/material
Only the team that chose this collects
A fabric filter that traps particulate matter from emissions.
bag filter
Chemicals that easily evaporate and help form smog and ozone.
volatile organic compounds (VOCs)
This system allows companies to buy and sell pollution allowances.
Cap and Trade
Go again
Air pollution formed when sunlight reacts with NOx and VOCs.
Photochemical Smog/ Ozone
Double points
This toxic metal air pollutant damages the nervous system and accumulates in our bodies overtime.
Mercury
A device that removes sulfur oxides from smokestack gases
scrubber