Question 1

Keeling's reports from Mauna Loa demonstrated .

Accepted Answer

A)  the presence of El Niño 
B)  that sediments deposited on the seafloor can yield clues about past climates 
C)  that as distances from cities decreased, CO2 concentrations increased 
D)  an increase in tropospheric CO2 from the 1950s to present 
E)  that CO2 levels have been stable over the last 40 years 
A)  the presence of El Niño 
B)  that sediments deposited on the seafloor can yield clues about past climates 
C)  that as distances from cities decreased, CO2 concentrations increased 
D)  an increase in tropospheric CO2 from the 1950s to present 
E)  that CO2 levels have been stable over the last 40 years

Question 2

Recent research indicates that the variation in solar output _.

Accepted Answer

A)  has a radiative force of 20 watts/m2 
B)  is greater than all the anthropogenic factors affecting climate change 
C)  is the major factor driving temperature change 
D)  is less than any of the anthropogenic factors affecting climate change 
E)  will increase by a hundredfold over then next century 
A)  has a radiative force of 20 watts/m2 
B)  is greater than all the anthropogenic factors affecting climate change 
C)  is the major factor driving temperature change 
D)  is less than any of the anthropogenic factors affecting climate change 
E)  will increase by a hundredfold over then next century

Question 3

Which of the following greenhouse gases has (have) experienced at least a 50% increase in atmospheric concentration since 1750?

Accepted Answer

A)  carbon dioxide and methane 
B)  carbon dioxide, methane, and nitrous oxide 
C)  methane only 
D)  nitrous oxide only 
E)  carbon dioxide only 
A)  carbon dioxide and methane 
B)  carbon dioxide, methane, and nitrous oxide 
C)  methane only 
D)  nitrous oxide only 
E)  carbon dioxide only

Question 4

Which of the following technologies is currently allowing us to decrease carbon emissions from automobiles?

Accepted Answer

A)  wind -powered vehicles 
B)  nuclear cars 
C)  solar cars 
D)  hydrogen fuel cells 
E)  the internal combustion engine 
A)  wind -powered vehicles 
B)  nuclear cars 
C)  solar cars 
D)  hydrogen fuel cells 
E)  the internal combustion engine

Question 5

Which of the following states is expected to experience the greatest increase in temperature by the year 2100?

Accepted Answer

A)  Florida 
B)  Hawaii 
C)  Alaska 
D)  California 
E)  Iowa 
A)  Florida 
B)  Hawaii 
C)  Alaska 
D)  California 
E)  Iowa

Question 6

Why do environmentalists and scientists advocate immediate action, including stricter laws to limit power plant carbon dioxide emissions and subsidies for renewable energy?

Accepted Answer

A)  Environmentalists do not want to anger farmers, even though agriculture produces the most carbon dioxide. 
B)  Power companies do not have labor unions that oppose legal restrictions. 
C)  These industries export goods to all other nations on Earth. 
D)  No laws currently exist to regulate these industries. 
E)  These industries produce the most greenhouse gases. 
A)  Environmentalists do not want to anger farmers, even though agriculture produces the most carbon dioxide. 
B)  Power companies do not have labor unions that oppose legal restrictions. 
C)  These industries export goods to all other nations on Earth. 
D)  No laws currently exist to regulate these industries. 
E)  These industries produce the most greenhouse gases.

Question 7

Evidence from polar ice core analysis shows that, until now, global carbon dioxide levels have never exceeded ppm in the last 800,000 years.

Accepted Answer

A)  25 
B)  300 
C)  200 
D)  1000 
E)  500 
A)  25 
B)  300 
C)  200 
D)  1000 
E)  500

Keeling's reports from Mauna Loa demonstrated .

Recent research indicates that the variation in solar output _.

Which of the following greenhouse gases has (have) experienced at least a 50% increase in atmospheric concentration since 1750?

Which of the following technologies is currently allowing us to decrease carbon emissions from automobiles?

Which of the following states is expected to experience the greatest increase in temperature by the year 2100?

Why do environmentalists and scientists advocate immediate action, including stricter laws to limit power plant carbon dioxide emissions and subsidies for renewable energy?

Evidence from polar ice core analysis shows that, until now, global carbon dioxide levels have never exceeded ppm in the last 800,000 years.

Science and Sustainability: an Introduction to Environmental Science

Environmental Systems: Matter, Energy, and Ecosystems

Evolution, Biodiversity, and Population Ecology

Species Interactions and Community Ecology

Economics, Policy, and Sustainable Development

Human Population

Soil, Agriculture, and the Future of Food

Biodiversity and Conservation Biology

Forests, Forest Management, and Protected Areas

Environmental Health and Toxicology

Geology, Minerals, and Mining

Fresh Water, Oceans, and Coasts

Atmospheric Science, Air Quality, and Pollution Control

Global Climate Change

Nonrenewable Energy Sources, Their Impacts, and Energy Conservation

Renewable Energy Alternatives

Managing Our Waste

Sustainable Solutions

Answers to Data Analysis Questions

How to Interpret Graphs

Metric System

Periodic Table of the Elements

Geologic Time Scale Glossary Credits Index

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Exam 18: The Urban Environment: Creating Sustainable Cities

Keeling's reports from Mauna Loa demonstrated .

Recent research indicates that the variation in solar output _.

Which of the following greenhouse gases has (have) experienced at least a 50% increase in atmospheric concentration since 1750?

Which of the following technologies is currently allowing us to decrease carbon emissions from automobiles?

Which of the following states is expected to experience the greatest increase in temperature by the year 2100?

Why do environmentalists and scientists advocate immediate action, including stricter laws to limit power plant carbon dioxide emissions and subsidies for renewable energy?

Evidence from polar ice core analysis shows that, until now, global carbon dioxide levels have never exceeded ppm in the last 800,000 years.

Science and Sustainability: an Introduction to Environmental Science

Environmental Systems: Matter, Energy, and Ecosystems

Evolution, Biodiversity, and Population Ecology

Species Interactions and Community Ecology

Economics, Policy, and Sustainable Development

Human Population

Soil, Agriculture, and the Future of Food

Biodiversity and Conservation Biology

Forests, Forest Management, and Protected Areas

Environmental Health and Toxicology

Geology, Minerals, and Mining

Fresh Water, Oceans, and Coasts

Atmospheric Science, Air Quality, and Pollution Control

Global Climate Change

Nonrenewable Energy Sources, Their Impacts, and Energy Conservation

Renewable Energy Alternatives

Managing Our Waste

Sustainable Solutions

Answers to Data Analysis Questions

How to Interpret Graphs

Metric System

Periodic Table of the Elements

Geologic Time Scale Glossary Credits Index

Filters