Desertification refers to
a. desertion of their homelands by ethnic minorities.
b. desertion of development assistance for the Global South by the Global North.
c. transformation of cropland into deserts.
d. transformation of deserts into cropland.
e. both a and c.
One successful international agreement on the environment, which gained wide acceptance thanks in part to strong scientific evidence, was
a. the Kyoto Protocol to reduce global warming.
b. the Washington Agreement to prevent deforestation.
c. the Johannesburg Treaty on biodiversity.
d. the Montreal Protocol to reduce depletion of the ozone layer.
e. All of the above are true.
The country that is the largest emitter of greenhouse gases is
a. Japan.
b. the United States.
c. Brazil.
d. India.
e. Russia.
The effects of continued rising temperatures include all except which of the following?
a. Sea levels will rise.
b. Winters will get warmer and heat waves will become increasingly frequent and severe.
c. Rainfall will decrease due to the rising temperatures.
d. Drought-prone regions will become even drier.
e. Tropical diseases will appear in areas previously too cold to support them.
The gas primarily responsible for the greenhouse effect, carbon dioxide, is released by
a. livestock.
b. burning fossil fuels.
c. rising ocean temperatures.
d. desertification.
e. melting permafrost.
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