AP Environmental Science Quiz
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LAND AND WATER USE
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A footprint calculator reports 60% carbon, 20% food, 20% housing. Which change targets the largest component?
A
Reduce fossil-fuel energy use, such as improving home efficiency or switching to renewable electricity, because carbon is the dominant share.
B
Eat more seafood, because fishing grounds are usually the largest footprint component and would reduce carbon by substituting for meat.
C
Increase lawn irrigation, because water use reduces carbon footprint by enhancing plant growth and thus offsets emissions in the calculator.
D
Buy more paper products, because forest products increase biocapacity and therefore lower the overall footprint in percentage terms.
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