Air Pollution
Identify a common indoor source of carbon monoxide and one health impact
Gas stoves, cars in garage (ie incomplete combustion). Health: asphyxiation/death
Describe the difference between point source and non point source pollution
Point source - single identifiable source
Non point source - diffuse, difficult to identify origin
What are the three ways we can reduce waste?
Reduce, reuse, recycle
What compound has caused a decreased in the stratospheric ozone layer? Why is this bad?
CFCs
Decrease in protection from UV rays which cause cancer
What US legislation regulates air pollution?
Clean Air Act
What are the 6 types of air pollutants
particulate matter, ozone, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead
What is one consequence of exposure to endocrine disruptors?
birth defects, developmental disorders, gender imbalances
What does tertiary treatment do in a sewage treatment plant?
ecological or chemical processes to remove any pollutants left in the water after primary and secondary treatment.
Describe the greenhouse effect and name 2 greenhouse gases
Greenhouse gases absorb infrared radiation before it escapes into space (traps heat)
Methane, CO2, CFCs, water vapor
Name 1 of the two pieces of environmental legislation that protect water quality
Safe Water Drinking Act, Clean Water Act
What is one tool/solution implemented in cars to limit their air pollution?
Name one cause of eutrophication and one consequence of eutrophication
Nutrient pollution (ag, urban runoff)
Hypoxic environments, algae blooms, low dissolved oxygen
What does LD50 stand for and what does it mean?
Lethal Dose 50 - the dose at which 50% of a population dies
What are two environmental consequences of climate change?
Changed migratory patterns, changed mating seasons, melting ice caps (habitat destruction)
What is the international legislation that was the guide for the Endangered Species Act?
CITES
Draw a diagram of the formation of acid rain
x
Describe the difference between bioaccumulation and biomagnification
Biomagnification - build up of chemicals increasing as you move up the trophic levels of an ecosystem
What is the difference between a pathogen and a vector?
Pathogen is a disease or bacteria, a vector carries/transmits pathogens
What is an invasive species and give an example of one?
Non-native species that has no predators
Ex - burmese pythons, zebra mussels, asian carp
What is a cap and trade policy?
Set a cap on emissions and give permits to companies to pollute that they can sell to each other
Draw a diagram of the formation of photochemical smog
x
What is one cause and one consequence of thermal pollution
Cause - heat from power plants
Effect - too hot for organisms, they die, less oxygen in water
Name one pathogen that has mosquitos as a vector?
What is a solution for habitat fragmentation
Green corridors, nature preserves
What was the purpose of the Kyoto protocol and was it effective?
Limit greenhouse gases, and no (US did not sign on)