EARTH SCIENCE
CLIMATE AND ENVIRONMENTAL CHANGE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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New factories were being built that caused more pollution
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The civil war caused more pollution
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Scientists figured out how to clean up pollution in the air
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It did not increase
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Detailed explanation-1: -By the 1800s, human activities were already dramatically increasing the carbon dioxide in the atmosphere. Burning more and more fossil fuels – coal and eventually oil and gas – added an ever-increasing amount of carbon dioxide into the air.
Detailed explanation-2: -While the presence of carbon dioxide in Earth’s atmosphere is natural, the rising levels since the Industrial Revolution in the 1800s are due to human activities, primarily the burning of fossil fuels such as coal and oil.
Detailed explanation-3: -Before the Industrial Revolution started in the mid-1700s, atmospheric carbon dioxide was 280 ppm or less. Global atmospheric carbon dioxide (CO2) in parts per million (ppm) for the past 800, 000 years based on ice-core data (purple line) compared to 2021 concentration (dark purple dot).
Detailed explanation-4: -Since the start of the Industrial Revolution, in about 1750, human activities such as burning fossil fuels, including coal and oil, have increased greenhouse gas concentrations in our atmosphere.