Name: ________________________________ Period: ________ Date: ___________________ Living Environment Unit 9 Human Impact Study Outline Test Date: ___________ Unit 8 Important Topics: I. Aim # 55: Nonrenewable vs. Renewable Resources II. Aim # 56: Water Pollution III. Aim # 57: Global Warming and Ozone Depletion IV. Aim # 58: Human Interference & Decision Making KNOW THAT HUMAN POPULATION IS INCREASING DRASTICALLY …. WHICH IS NEGATIVELY IMPACTING THE ENVIRONMENT KNOW THE TYPES OF RESOURCES USED TO GENERATE ENERGY Type of Resource Definition Example Positives Negatives Resources that cannot be replenished Fossil Fuels- Coal, oil, and natural - cheap - easily found - cannot be replenished Humans = need for energy, need for land, negative impact on the environment
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Name: ________________________________ Period: ________
Date: ___________________
Living Environment Unit 9 Human Impact Study OutlineTest Date: ___________
Unit 8 Important Topics:
I. Aim # 55: Nonrenewable vs. Renewable ResourcesII. Aim # 56: Water PollutionIII. Aim # 57: Global Warming and Ozone DepletionIV. Aim # 58: Human Interference & Decision Making
KNOW THAT HUMAN POPULATION IS INCREASING DRASTICALLY ….
WHICH IS NEGATIVELY IMPACTING THE ENVIRONMENT
KNOW THE TYPES OF RESOURCES USED TO GENERATE ENERGY
Type of Resource Definition Example Positives Negatives
Non renewable
Resources that cannot be replenished within a lifetime. They exist in limited (finite) amounts
Fossil Fuels-Coal, oil, and natural gas
- cheap- easily found- provides us with energy
- cannot be replenished once gone- release CO2 which leads to global warming
Renewable
Resources that can be
replenished within a
lifetime.
Wind power, water power, solar power, geothermal power, biofuels
-Renewable (will not run out)
-Expensive
Humans = need for energy, need for land, negative impact on the environment
-Less Pollution
ECOLOGICAL PROBLEM
CAUSE NEGATIVE EFFECT SOLUTION
Industrialization
Development of Factories, Cities, etc.
Increases use of resources, human population, & pollution
Acid rain, global warming Habitat loss
Use cleaner technologies/alternative energy sources
Pass laws to regulate development of factories
Acid Rain
Burning fossil fuels releases sulfur and nitrogen into the air.
These gases + rain = acid rain.
Acidification of lakes and soil
• Damages wildlife/plants• Increases erosion on
buildings
Buffers to neutralize lakes & rivers
Use filters on smokestacks Use alternative energy
sources to reduce the burning of fossil fuels
Global Warming
Increase of greenhouse gases (MAINLY CO2 and methane) due to burning fossil fuels (which releases CO2)
Deforestation prevents producers from naturally removing CO2 from atmosphere during photosynthesis
Changes in climate/weather which can lead to loss of habitats/species
Use alternative energy sources (solar, wind, hydroelectric)
Decrease burning fossil fuels (reduce, reuse, recycle)
Plant trees Decrease deforestation
Depletion of the Ozone Layer
CFCs (Chlorofluorocarbons) which are released by aerosols, air conditioners, refrigerator coolants
More harmful UV rays reach Earth’s surface = increase in mutations and skin cancer
Don’t use CFC’s/ban them Use safer chemicals
Loss of Habitats
Deforestation Industrialization Farming
• Loss of biodiversity• Loss of potential resources
(ex: Medicine from the rainforest)
• Unstable ecosystems
Pass laws to protect natural areas (natural parks, preserves etc.)
Control population growth
Loss of Biodiversity
Habitat Loss Overhunting Overfishing
• Unstable ecosystems• Loss of genes/organisms• Loss of
medicines/resources
Regulate hunting Pass laws to protect species
Invasive (imported or
foreign)Species
Humans moving around the planet causes organisms to be brought to new habitats that lack their natural predators (ex: Purple loosestrife plant, gypsy moth, zebra mussels, Japanese beetle)
They have no natural predators
Overcrowd and outcompete native species.
• Control/restrict importation of goods
• Set traps that use chemical scents to attract insects
• Control the population by releasing biological controls = releasing natural diseases/predators if that species
KNOW THE FOLLOWING Ecological Problems, Causes, Effects and Solutions
Name: _____________________________ Living Environment
OPTIONAL PRACTICE- ANSWER KEY IS FOUND ON MS. HAGENDORN’S WEBSITE
Station # 1
Human Impact Station Review
Station # 2
Some scientists are urging that immediate action be taken to stop activities that contribute to global warming. Discuss the effects of global warming on the environment and describe some human activities that may contribute to it.
Your answer must include
: • an explanation of what is meant by the term global warming • one human activity that is thought to be a major contributor to global warming and an explanation of how it may contribute to the problem • one negative effect of global warming if it continues for many years__________________________________________________________________________________________________
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Human Impact Station Review
Station # 3
Human Impact Station Review
Station # 4
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