1. Environmental Problems
Ms. Rollins

2. Pollution What is pollution?
pollution – an _____________ change in the __________ that is caused by _________ substances
What damage is caused by pollution?
______________
damage to _______
loss of _________
Are all pollutants human-made?
____, some are natural, such as ash from __________ and fires.

3. Pollution Types of Pollutants _________ – trash, hazardous wastes
__________ – fertilizers, pesticides
high powered ______ - nuclear wastes, radioactive
wastes
________ – CO2, nitrogen
These pollutants contribute to the ___________
effect
____________

4. In the ___________ environment we refer to pollution as being either point-source pollution or nonpoint-source pollution.
_____________ pollution – a pollutant which comes from one _____________ source
___________
sewage plant
factory
__________________– a pollutant which comes from _________ sources
farms
_________ – changing oil; fertilizing lawn
Pollution

5. Resources
___________ resource - something which can be used over and over. It has an ___________ supply.
______________resource – something which can not be __________or that would take a long time to replace.
_______energy
______ energy
______energy
geothermal
_____________
Minerals
________fuels – oil, coal

6. Resources Is water a renewable or nonrenewable resource?
Are trees a renewable or nonrenewable resource?

7. Other Issues ________________: ____________:
the presence of too many individuals in an area for the __________ resources
What causes overpopulation?
advances in _________
increased _____ supply
loss of _________
____________:
the number and variety of organisms in a given area
Why is biodiversity important?
Increases the ________ of an ecosystem
________ – how it looks; how we enjoy it
Other Issues