ECOLOGY
ENVIRONMENTAL ISSUES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How much pollution comes from the United States to southern Canada?
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30 to 45 percent
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45 to 60 percent
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50 to 75 percent
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40 to 70 percent
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Explanation:
Detailed explanation-1: -Carbon dioxide is the greenhouse gas that is most emitted through human activity, accounting for around 75% of human-caused emissions. The burning of fossil fuels, including natural gas, is the primary cause of CO2 emissions.
Detailed explanation-2: -Globally, the primary sources of greenhouse gas emissions are electricity and heat (31%), agriculture (11%), transportation (15%), forestry (6%) and manufacturing (12%). Energy production of all types accounts for 72 percent of all emissions.
Detailed explanation-3: -Carbon dioxide causes 80% of global warming.
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