Answered: Atmospheric Carbon Dioxide 400 380 360…

Atmospheric Carbon Dioxide 400 380 360 340 320 300 1860 1900 1940 1980 2020 Year A FIGURE 1.5 Atmospheric carbon dioxide levels from 1860 to present. Carbon dioxide concentration (parts per million)

Sustainable Energy

2nd Edition

ISBN:9781337551663

Author:DUNLAP, Richard A.

Publisher:DUNLAP, Richard A.

Chapter4: Environmental Consequences Of Fossil Fuel Use

Section: Chapter Questions

Problem 4P

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Concept explainers

Fundamentals of World Energy Use

Population growth has a direct relation to the growing energy demand of mankind. A major emphasis has been laid on the usage of various energy supplies from both renewable and nonrenewable energy sources to meet the global energy demand. The energy supply from burning renewable energy sources such as bioenergy, hydropower, and natural gas has accounted for clean release of the by-products and zero carbon emissions. On the other hand, large-scale energy supply from the combustion of fossil fuels forms the global energy system. Fossil fuels fulfill two-thirds of the world's energy consumption.

Question

Examine the graph in attached Figure 1.5 and answer each question.
(a) What was the concentration of carbon dioxide in 1960?
(b) What was the concentration in 2000?
(c) How much did the concentration increase between 1960 and 2000?
(d) What is the average rate of increase over this time?
(e) If the average rate of increase remains constant, estimate the carbon dioxide concentration in 2030.

Atmospheric Carbon Dioxide
400
380
360
340
320
300
1860
1900
1940
1980
2020
Year
A FIGURE 1.5 Atmospheric carbon dioxide levels
from 1860 to present.
Carbon dioxide concentration
(parts per million)

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