Global Warming

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Science

Description

  • Consider this scenario:
  • You are a participant in a city council debate about global warming. During the debate, council members make conflicting statements about climate change, and most members are unsure about the sources of their information. The city council members realize that they do not have the scientific facts on global warming. You have been selected to conduct research on this topic and submit a report that includes these scientific facts. The council also wants you to explain the carbon cycle and how it relates to global warming.

The Assignment:

Write a report of two or more pages that presents the scientific facts about global warming and explains what the carbon cycle is and how it relates to global warming. Your report should address the following:

Part 1: The Carbon Cycle *****One fact should address the change in atmospheric CO2****
Compare and contrast photosynthesis and cellular respiration by answering the following questions:

  • How are cellular respiration and photosynthesis alike?
  • How are cellular respiration and photosynthesis different?
  • Why are these two processes interdependent?

Part 2: Scientific Facts About Global Warming
Identify at least three scientific facts related to global warming that include:

  1. How atmospheric CO2 has changed over the last 650,000 years and since the Industrial Revolution (1850)
  2. How scientists measure CO2 levels
  3. At least two of the primary factors thought to be involved in the observed changes in atmospheric CO2 levels since the Industrial Revolution

Part 3: How the Carbon Cycle Relates to Global Warming
Explain how the carbon cycle relates to global warming, describing at least two implications of climate change for biological systems.

Be sure to cite all references in APA format.


Rick Perry, a Texas governor, says that climate change is non-existent and that more and more scientists are challenging the claim that human activity has resulted in global warming (“Perry’s Global Warming Statements,” 2011). Actor Danny Glover blames the 2010 Haiti earthquake on global warming and criticizes a climate summit in Copenhagen for failing to create a significant response to the perils of climate change (Brent, 2010). Politicians, actors, and many other public figures make science-related statements. How do you know which statements are truly based in science, and which are not?

Last week, you explored the nature of science and learned about the scientific method. Knowing the fundamentals of the scientific process helps you to evaluate science-related information. Obtaining information from reliable scientific sources—which may not always be a politician or celebrity—is also critical.

For this week’s Assignment, you respond to a scenario that requires you to identify and analyze scientific facts about global warming. You also describe the carbon cycle processes of photosynthesis and cellular respiration and relate these to global warming.

References: Brent, B. (2010, January 16). Actor Danny Glover blames global warming for Haiti earthquake [Web log comment]. Retrieved from http://newsbusters.org/blogs/brent-baker/2010/01/1...

Hearst Communications Inc. (2011). Perry’s global warming statements put politics over science [Online article]. Retrieved December 5, 2011, from http://www.chron.com/opinion/editorials/article/Ig...


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Explanation & Answer

Attached.

Running head: GLOBAL-WARMING

1

Global-Warming
Name
Institution
Date

GLOBAL-WARMING

2

Introduction
In the US, the burning of fossil fuels to generate electrical power is the biggest
contributor of heat-trapping pollution, which generates approximately 2 billion tons of carbon
dioxide annually. Companies that burn coal are considered as the main polluters. The 2nd largest
contributor to carbon pollution is considered to be the transportation sector, producing
approximately 1.7 billion tons of CO2 emissions annually.
Discussion
Global warming results from the existence of GHGs (green-house-gases), such as CO2
(carbon dioxide), and other air pollutants in the atmosphere. These gases collect and absorb the
light and radiations from the sun reflected from the surface of the earth. Basically, human
activity is the major contributing factor to the increase of the atmospheric CO2 (Cox et al, 2000).
This has amplified the natural greenhouse effect of the earth.
Both cellular-respiration and photosynthesis refer to the processes through which the
cells of animals and plants provide themselves with th...


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