WGU D199 Test Questions and Answers
How do environmental economists contribute to environmental policy decisions? - Answer-By quantifying potential impacts from climate change
-Environmental economists calculate damage functions and impacts from climate change, as well as potential costs for ma...
WGU D199 Test Questions
and Answers
How do environmental economists contribute to environmental policy decisions? -
Answer-By quantifying potential impacts from climate change
-Environmental economists calculate damage functions and impacts from climate
change, as well as potential costs for making changes.
How do economists and policy makers rely on the concept of the social cost of carbon
(SCC)? - Answer-By estimating the future cost of damage from greenhouse gas
emissions and using that information to inform decisions
-The SCC is how much society will need to pay in the future for releasing one ton of
CO2 today, which is used to inform government policy decisions.
Which characteristic of the Holocene Era enabled the Agricultural Revolution? - Answer-
Climate stability
When did global temperatures begin the sharp increase that continues today? - Answer-
1950s
What is the connection between soils and greenhouse gas emissions? - Answer-
Overfarming and overdevelopment of soil leads to an increase in the release of
greenhouse gasses.
What is the emissions challenge faced by developing countries? - Answer-How to
reduce greenhouse emissions while raising incomes and standards of living
Why would a carbon tax be more beneficial in combating climate change than
government mandates? - Answer-It would be more broadly applicable and would bring
in money to the government for other policies.
What is the primary advantage of a carbon tax versus a cap-and-trade system? -
Answer-The revenue from a carbon tax is immediate and can be applied to reducing
taxes and costs elsewhere.
Why is it difficult to get market-based policies and command-based policies to work
together to reduce emissions? - Answer-Because of the variable nature of consumer
choice, incentives will not always cause people to abandon a product, and sweeping
mandates do not always work for everyone.
, What makes black carbon more dangerous than other fossil fuel emissions? - Answer-
Its tiny size is easily ingested by humans, resulting in serious health concerns.
Cultural push factors usually involve - Answer-slavery, political instability, ethnic
cleansing, famine, and war
The United States Committee for Refugees classifies refugees as people who - Answer-
have been forced from their homes and cannot return because of their religion, race,
nationality, or political opinion
Which examples of involuntary migration have had an impact on the United States? -
Answer--Trafficking of slaves from Africa before the Civil War
-Forced removal of the Cherokee from their ancestral lands in the 1830s
in the last 10,000 years: - Answer-humans began modifying the land surface for growing
food with advent of agricultural revolution
the agricultural revolution roughly - Answer-coincides with a warm interglacial period
that began about 11,700 years ago which is called the HOLOCENE era (warm stable
climate)
the last 270 years of the holocene ushered into the - Answer-INDUSTRIAL
REVOLUTION when climate pollution began to increase dramatically
the industrial revolution was powered by - Answer-fossil fuels
what began after world war II? - Answer-the great acceleration (1950-present)
-caused depletion in the ozone layer
-After 1950, the biodiversity of species started decreasing and the extinction of species
accelerated
The Great Acceleration marks the beginning of - Answer-Homo sapiens' truly massive
global imprint on the planet
-The climate has already warmed by 1°C since 1900.
-If humans continue with business-as-usual consumption of fossil fuels, the warming
between 1900 and 2100 could exceed 4°C.
the greenhouse effect. - Answer-It is this trapping of heat energy that otherwise would
have escaped to space through the atmosphere
-allows solar radiation to enter
-the blanket effect
is the greenhouse effect real? - Answer--Satellites routinely measure the incoming solar
energy and the outgoing heat energy from the planet
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