POLLUTION

AIR POLLUTION

Definition: concentration of trace substances at a greater level than occurs in average air

AIR: 3 SCALES

• Global scale
• Regional
• Local

Global: damages ozone layer causes global warming. Global includes the rise in temperature from Greenhouse Effect

Regional: damages vegetation and water supply through acid deposition and precipitation. Kills fish and corrodes monuments.

Local: the worst in urban areas. 3 types include Carbon Monoxide, Hydrocarbons, and Particulates. Causes smog.

SOLID WASTE

Landfills are the most common form of solid waste in the US. Hazardous wastes include heavy metals from electronics. Chemicals can cause cancer mutations and immediate death

WATER POLLUTION

There are two sources of water pollution: point and nonpoint sources. Point sources enter a body of water at a specific place and are easy to stop. Nonpoint comes from a large diffuse area.