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Most environmental issues are separate issues and do not affect one another.
- Pesticides and fertilizer use permanently destroy the soil.
- Urban development is less damaging to the environment than agriculture.
- All environmental issues are worsened by a growing population.
Limit the amount of available water
- Find new ways to store water
- Convert sea water into fresh water
- Harvest rainwater
Which of the following statements about human impact on the environment is true?
CONCEPT
Human Impacts & Solutions 2
Efforts to address the amount of water used by humans are part of the sustainability movement. Choose the item that is NOT a goal for sustaining water on Earth.
CONCEPT
Sustainability and Solutions 3
The largest source of global greenhouse gas emissions is electricity and heat production, followed by industry.
Of the remaining sources listed below, which produces the least amount of greenhouse gases?
changes.
CONCEPT
Climate Change 5
Fracking has expanded access to methane that occurs naturally in underground pockets.
- Use of this energy source relies upon mined minerals and heat from radioactive decay.
- It is widely used to heat water boilers, the steam from which drives a turbine that produces electricity.
- This liquid energy source has a number of different uses, from fuel to plastics.
Which of the statements about renewable and non-renewable energy sources is NOT true?
Non-renewable energy sources are mostly made of carbons.
Renewable energy is often called “green,” “clean” or “sustainable” energy.
Approximately 90% of global energy comes from renewable sources.
Non-renewable energy sources will eventually be depleted or prohibitively costly to retrieve.
CONCEPT
Non-Renewable Energy Renewable Energy Energy 6
Choose the statement that accurately describes natural gas.
Power plants convert coal into steam to produce electricity.
- Oil is burned to produce steam that is used to generate electricity for power plants.
- Atoms of uranium are split to produce nuclear energy.
- Reservoirs release water to flow through pipes and spin turbines that produce electricity.
Damaged soil and root systems
Increased respiratory diseases
Trapped solar radiation in the atmosphere
CONCEPT
Impacts of Air Pollution 8
Select the energy source that is renewable.
CONCEPT
Energy Renewable Energy Non-Renewable Energy 9
Jake is a newly hired office manager. One of his goals is to address environmental issues, and he immediately establishes the following office policies. Choose the one that is the least effective.
Installing new computers to increase productivity
Following the “recycle, reuse, reduce” philosophy at work and at home
Turning off all office machinery at the end of each day
CONCEPT
Efforts to Address Air Pollution Efforts to Address Energy Issues
It takes hundreds to thousands of years to break down its byproducts.
- It is not a process that occurs naturally on the planet.
- It is dependent on a limited, mined mineral.
- It can only be used for brief periods of time without causing environmental damage.
Warming temperatures disrupt the growing season and crop planting.
- Infectious microbes spread into places where they were previously absent.
- Temperate forests experience a net loss in biodiversity.
- Unexpected flooding or droughts bring new challenges to food producers.
Environmental Policy Efforts to Address Climate Change 12
Although nuclear energy is not based on fossil fuels, why is it considered a non-renewable energy source?
CONCEPT
Non-Renewable Energy 13
Which effect of climate change will have a negative impact on human health?
CONCEPT
Impacts of Climate Change 14
Cassie pulled the boat onto the ice and adjusted its sails. Once she got started she would be able to steer, change direction and control her speed
Water pollution is expected to continue to deteriorate both ocean and fresh water quality.
- Global temperatures are expected to increase by up to ten degrees over the next hundred years.
- Overexploitation of plants and animals will decrease as endangered species legislation is enforced.
- Fewer forests will mean more greenhouse gases in the atmosphere.
What kind of energy will Cassie use to power the boat?
Geothermal
Hydroelectric
Wind
Solar
CONCEPT
Renewable Energy 15
When analyzing environmental issues, scientists try to predict future states or events, which is difficult because so many factors are unknown. Nevertheless, predictions are valuable for determining and managing risk. Select the FALSE prediction for the future of the environment.
CONCEPT
The Future 16
Choose the action that is NOT associated with the sustainability movement.
The United States signed the agreement in 1997.
Current climate change shows temperatures growing exponentially in the last hundred years.
- Historical climate change has mostly been due to changes in the amount of energy from the sun.
- Current climate change is mostly the result of increased greenhouse gases in the atmosphere.
- Historical climate change was relatively slow, allowing species time to adapt.
Nitrogen
The agreement set goals for emission reductions by 2012.
Each participating country has the same emission reduction target.
Since signing, global greenhouse gas emissions have decreased by 14%
CONCEPT
Efforts to Address Climate Change 19
Choose the statement about how climate change occurs that is FALSE.
CONCEPT
Climate Change 20
What increasing greenhouse gas is of particular concern because it
CONCEPT
Causes of Climate Change
The U.S. policy toward energy supply and demand has included all of the following EXCEPT.
seeking to increase fuel supplies
providing subsidies for oil
adopting some policies to reduce energy demands
preventing the free market from determining which energy sources to use
CONCEPT
Efforts to Address Energy Issues
Which of the following is NOT a benefit of the National Environmental Policy Act (NEPA)?
Business and industry are allowed to be self-regulating.
The chances that environmental damage can occur are reduced.
The public can serve as watchdogs for government actions being considered.
Methane
Decision-makers have access to relevant information before making a decision.
CONCEPT
Environmental Policy
Which of the following examples describes a mobile source of air pollution?
