- In 1900 the amount of carbon dioxide gas released into the atmosphere by
human activity was estimated to be 250 million metric tons per year. By the
year 2000, this amount had increased to just over 350 million metric tons
per year. What is the approximate percent increase in the carbon dioxide
concentration from 1900 to 2000?
(A) 20%
(B) 40%
(C) 80%
(D) 120%
(E) 150%
- Which of the following is NOT an acceptable mitigation technique used to
reverse the process of desertification?
(A) Fixating the soil through the use of shelterbelts, woodlots, and
windbreaks (B) Hyperfertilizing the soil
(C) Encouraging large-scale cultivation of the land to hold the soil in place
(D) Reforestation
(E) Provisioning the water
- Which of the following statements is NOT consistent with “The Tragedy of
the Commons” by Garret Hardin?
(A) We will always add one too many cows to the village commons,
destroying it.
(B) The destruction of the commons will not be stopped by shame, moral
admonitions, or cultural mores anywhere nearly so effectively as it will
be by the will of the people expressed as a protective mandate, in other
words, by government.
(C) The “Tragedy of the Commons” is a modern phenomenon. Humans
were not capable of doing too much damage until the population
exceeded certain numbers and their technological tools became
powerful beyond a certain point.
(D) A free-market economy, based on capitalism, does not contribute to the
“Tragedy of the Commons.”
(E) We will always opt for an immediate benefit at the expense of less-
tangible values such as the availability of a resource to future
generations.
