Answered: Greenhouse Gas Emissions by Humans…

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter54: Ecosystems And Global Change

Section: Chapter Questions

Problem 10TYK: Which of the following statements is supported by the results of studies at the Hubbard Brook...

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Human lifestyle choices currently release greenhouse gases into the atmosphere at higher rates than what occurs naturally. When greenhouse gases like carbon dioxide, methane, and nitrous oxide accumulate they trap heat. As a result of this trapped heat, temperatures on Earth's surface are changing

Figure 1 - Greenhouse Gas Emissions by Humans Choice and the Greenhouse Gases Emitted as a Result

Which of these ideas would be the best course of action for decreasing land temperatures?

1. Phase-out agricultural production, since that sector, produces the largest amounts of methane and nitrous oxide.

2. Decrease land use and biomass burning, because this sector produces all three major greenhouse gases.

3. increase the number of waste disposal and treatment plants because they do not release carbon dioxide

4. Develop alternative energy sources to decrease the amount of carbon dioxide released as a result of power stations

Annual Greenhouse Gas Emissions by Sector
Industrial
15.9%
Electric power stations
processes
25.6%
Transportation fuels
Waste disposal
and treatment
13.2%
3.6%
Residential,
7.5% commercial, &
Land use and
other sources
biomass burning 12.1%
Fossil fuel retrieval,
10.5%
Agricultural production 11.6%
processing, and
distribution
40.8%
62.5%
34.1%
20.9%
3.4%
4.3%
3.2%
3.9%
| 4.7%
8.9% 34.5%
4.4%
4.7%
6.1%
17.3%
16.5%
14.0%
15.1%
Carbon Dioxide
(72% of total)
Methane
(20% of total)
Nitrous Oxide
(5% of total)

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