Global Climate Change
There has been considerable debate over global warming over the past couple decades. Most of the debate, by now, has come to focus on the uncertain outcomes of global warming, though there does remain some skepticism over the seriousness of the phenomenon. Two units within this theme explore different aspects of the debate over global warming. The units begin with the basic premise that it is crucial to understand the world as an integrated system. This helps draw our attention to the difficulties inherent in any attempt to "prove" scientifically that the world is becoming warmer as a result of the actions of people. The debate, in other words, is about much more than simply "good" versus "bogus" science. In Chapters 10 and 11, we consider some of the local-scale ramifications of the debate. In Chapter 10, there is a unit on deforestation and indigenous groups on the
Chapter 1: Geography: An Exploration of Connections
Overview of Global Warming
Chapter 10:
Indigenous Groups and Deforestation in
Chapter 11: Oceania:
Are Pacific Atolls Sinking?
Chapter 1: Geography: An Exploration of Connections
Overview of Global Warming
OVERVIEW OF GLOBAL WARMING (Chapter 1)
The global warming debate is best broken down into several distinct questions, some of which have been readily answered by scientific evidence, and others of which remain highly contested. This unit offers an overview of what is known regarding the issue of climate change, as well as what remains unknown and what the policy implications of the issue are.
Begin by visiting the EPA's Climate Change Web site. Explore the “Overview,” “Causes of Climate Change,” and “Indicators of Climate Change” sections for some of the available evidence for global warming. See also the following sites which offer additional evidence on the issue of climate change:
Vital Climate Graphics—Update
1999 Global Surface Temperature Study
Animated report on the collapse of Antarctic ice shelves
Probably the most significant question regarding the global warming debate is not whether global warming is occurring or even what causes global warming, but what actions are appropriate given the existing and continuing uncertainties that are likely to remain. The most comprehensive plan of action developed thus far is the 1997 Kyoto Protocol. You can learn more about the Protocol at the UN Convention on Climate Change. As of 2013, 192 states and supranational organizations had ratified the Protocol.
There are many websites devoted to the issue of global warming. Below is a very brief listing of just a few to help you gain a better appreciation of the issues raised in the debate.
The article “Global Warming Madness and How to Stop It” by Joseph Blast.
Environmental Defense, which maintains a campaign to Undo Global Warming and Fight Global Warming.
Climatedebatedaily.com, a clearinghouse of climate related websites and information for both sides of the climate change debate.
The Union of Concerned Scientist's global warming page, arguing that "global warming is real and underway"
Chapter 10:
Indigenous Groups and Deforestation in
INDIGENOUS GROUPS AND DEFORESTATION IN
This unit addresses the question: How can geographers with knowledge of Geographic Information Science (GIS) play a role in advocating indigenous land rights in the face of tropical deforestation?
Tropical deforestation is one of the most significant environmental issues in the region of
This unit focuses on the
Because of the rate of deforestation, a crucial issue on
Some of these groups include:
After exploring some of these websites, think about the following questions:
Chapter 11: Oceania:
Are Pacific Atolls Sinking?
ARE PACIFIC ATOLLS SINKING? (Chapter 11)
In Chapter 1 we examined the issue of global warming. We learned that a number of natural and human factors may be contributing to increased global temperatures and rising ocean levels. We also learned that the facts surrounding the issue are highly contentious, with scientists and politicians offering views on both sides of the debate.
For residents of several low-lying Pacific atolls, the issue of rising sea levels due to global warming is more than just a debate. It is a phenomenon that is threatening their homes and their way of life.
Nations like
Representatives of a number of Pacific nations are gravely concerned that global warming is causing seas to rise and their islands and atolls to drown. Some projections predict the disappearance of some of these low-lying areas over the next half-century. From the representatives' point of view this is an urgent situation that calls for a political remedy in the form of global environmental policy that stems the human factors contributing to global warming.
As noted in the Chapter 1 Overview Unit, such policy exists in the 1997 Kyoto Protocol, which addresses global climate change by calling on industrialized nations to curb harmful emissions. The refusal of the
As the debate continues, some small Pacific islands are looking to larger nations in the region to help. While
Not only are Pacific Islanders failing to garner political support on this issue, but some members of the scientific community reject the idea that the islands and atolls are sinking at all. The Space Daily reports that one Australian-funded study found no increase in sea level, specifically on the
Tuvalu Islands
Global Warming not sinking Tuvalu
No evidence Pacific rising to engulf Tuvalu
After reading the above articles, think about the following questions:
Finally, choose either the pro or con position on the issue of whether or not Pacific atolls are sinking as a result of rising sea levels due to global warming. Write a brief essay defending your position.
For more on this ongoing discussion, see the following:
Jane's Oceana Global Warming Page: a website supportive of the global warming theory and its effects on Pacific islands.
The Inuit (Eskimo) people of the arctic region face a problem related to the threat of rising sea levels for Pacific Islanders. Retreating sea ice in the