Project #65907 - Home Learning Activity #3

STS 201 Spring 2015 Homework Learning Assignment #3 Due Friday, May 1st Part I: An Inconvenient Truth NOTE: Much of Part I of this assignment is derived from a document produced by Robert Lewis and Andrew Fildes (www.metromagazine.com.au) An Incovenient Truth is a film released in 2006 that documented former vice president Al Gore’s campaign to educate the public on the issue of global warming and climate change. Although the film has been criticized for scientific inaccuracies and misrepresentation of facts, Gore’s work is credited with revitalizing the environmental movement in the U.S. and bringing attention to the climate change issue. View the film using the link provided on ANGEL. https://www.youtube.com/watch?v=OcLG-tcMvyg As you watch the film, consider the points that Mr. Gore makes and answer the following questions: Carbon dioxide is increasing in the atmosphere (1) Describe the trend in CO2 levels that has occurred since the Industrial Revolution. (3 pts) (2) How do present and predicted CO2 levels in the future compare to maximum concentrations in the historical record? (3 pts) (3) Describe the greenhouse effect and how this effect is related to atmospheric gases, solar energy, and heat. (4 pts) (4) (a) According to Gore (and based on his graphs from historical data), what is the general connection between CO2 levels and temperature? (3 pts) (b) What does he argue is the logical conclusion that we can draw about future atmospheric temperatures based on the projected levels of CO2 in the future? (3 pts) Evidence of global warming is provided by receding glaciers and loss of permanent ice (1) (a) Describe the example of receding glaciers and loss of permanent ice that are presented. (4 pts) (b) According to Gore, how do these examples provide evidence of global warming? (3 pts) (2) Why is loss of ice from places like the Himalayas a problem? (3 pts) (3) In what ways could the “evidence” of melting glaciers and ice potentially be misleading as an indicator of global warming? (3 pts) Increasing global temperatures are more than just a cyclical phenomenon (i.e., the increases are caused by human activities (1) Consider the graph of temperatures for the past 1,000 years: (a) Describe the pattern of atmospheric temperatures over the past 1,000 years that are shown by the graph. (3 pts) (b) What does the graph suggest is the historical relationship between CO2 levels and temperature? (3 pts) (c) How could the data presented in the graph actually weaken Gore’s argument? How does he imply that it does not weaken his argument? (5 pts) (2) Consider the graph of estimated temperatures for the past 650,000 years: (a) Describe the pattern of atmospheric temperatures over the past 650,000 years that is shown by the graph. (3 pts) (b) What is the key feature of the modern period and how does it challenge the cyclical theory? (5 pts) Ice and the world’s oceans (1) Arctic ice: (a) Describe what is happening to ice in the Arctic? (3 pts) (b) What is the physical evidence for loss of Arctic ice? (2 pts) (c) Why is the loss of Arctic ice a problem? (3 pts) (2) Gulf Stream: (a) What effect could melting of sea ice have on the Gulf Stream? (3 pts) (b) How could an alteration in Gulf Stream affect regional climates? (3 pts) (c) How could change in climate influence the ability of certain animals to survive in their habitats? (3 pts) (3) Antarctic ice: (a) What is the difference in effects on sea level of melting land and sea ice? (3 pts) (b) What effect could melting ice have on sea levels and how might this impact coastal cities? (3 pts) Causes and misconceptions related to climate change (1) Describe the three main causes (according to Gore) of the climate crisis. (3 pts) (2) Describe the three main misconceptions and their causes that affect awareness of the climate problem. (3 pts) Part II: An Inconvenient Truth or Convenient Fiction? One of the more outspoken critics of the Al Gore’s documentary is Stephen Hayward of the Pacific Research Institute. He produced his own documentary entitled: An Inconvenient Truth or Convenient Fiction? Watch the documentary at: http://www.youtube.com/watch?v=nITPIK6cZtE As watch the film, answer the following questions: (1) Hayward agrees that the planet is warming and that at least some of the warming is due to human activities. However, he has three major problems with Gore’s presentation. What are his three main objections? (3 pts) (2) Describe Hayward’s objection to the claim that global temperatures are warmer than they have been in the last 1,000 years. (3 pts) (3) One of the major issues raised in this film is related to the CO2 data presented by Al Gore: (a) Why does Hayward disagree with Gore’s claim about the relationship between CO2 and temperature? (3 pts) (b) Why are forecasts about future CO2 levels uncertain or misleading? (3 pts) (4) Describe three examples that Hayward uses of extreme claims made by Gore. (3 pts) (5) According to Hayward, what should be done about climate change? (4 pts) Part III: Important considerations As you or anyone else considers the evidence for climate change and the impacts of human activities on the atmospheric temperatures, how might an objective evaluation be affected by.: (1) Our perception/trust of scientists? (4 pts) (2) Our political views? (4 pts) (3) Concerns for our own economic well-being? (4 pts)

Subject Science
Due By (Pacific Time) 05/01/2015 12:00 am
Report DMCA
TutorRating
pallavi

Chat Now!

out of 1971 reviews
More..
amosmm

Chat Now!

out of 766 reviews
More..
PhyzKyd

Chat Now!

out of 1164 reviews
More..
rajdeep77

Chat Now!

out of 721 reviews
More..
sctys

Chat Now!

out of 1600 reviews
More..
sharadgreen

Chat Now!

out of 770 reviews
More..
topnotcher

Chat Now!

out of 766 reviews
More..
XXXIAO

Chat Now!

out of 680 reviews
More..
All Rights Reserved. Copyright by AceMyHW.com - Copyright Policy