Friday, January 20, 2012

Ecological Alarm Sounds Off!

Environmental sustainability refers to the ability of mankind to be good stewards over Earth’s gifts of natural resources; the level of sustainable performance greatly affects future generations to come.  This responsibility or lack of thereof has started an uproar among society today as to whether or not our usage of these resources through economic growth and population expansion have created greater battles to fight.  The theory of global warming suggests that our planet Earth is getting warmer by the second with increase levels of greenhouse gases such as carbon dioxide filling the air we breathe.
There is an ecological crisis upon us; the catalyst for this newfound emergence was ignited by the turning point from an agricultural-based economy to becoming more industrialized.  According to Ecosystems and Human Well-being: Synthesis written by the Washington, D.C. Island Press, several ecosystem services have been degraded as consequence of supplying other services to meet human’s desires such as, an increase in food production. Terrestrial ecosystems have become a net sink of carbon dioxide emissions.  Heighten emissions of carbon dioxide contribute to global climate change.  Hence, regulating global climate through carbon sequestrations has intensified. It will take centuries for global temperatures to balance out with higher concentrations of greenhouse gases in the atmosphere, even longer for biological systems to adjust. Overwhelming amounts of nitrogen contribute to eutrophication of freshwater and coastal marine ecosystems. Nitrogen is claimed to be vital in the formulation of the ground-level ozone layer, this destruction would deplete the ozone layer in the stratosphere causing increased UV-B radiation from the sun and climate change. 
Chapter one from A New Green History of the World by Ponting, says the elimination of trees affected the island’s soil; nutrients were depleted by the crops and soil erosion occurred.  The land became malnourished, unable to produce adequate food for survival. Ultimately, the environment was ruined. The American Policy Roundtable website believes in a strategy called “no regrets” since there is not enough evidence to support global warming.
The environmental problems we face today are new and old.  From the Easter Land reading, it’s clear that using resources, such as trees, and not replenishing them has a long-lasting impact on the livelihood of mankind, growing capabilities of land and exposure to harsh environmental conditions.  Similar to the island, the world has limited resources to support society and all of our high demands.  In Ecosystems and Human Well-being: Synthesis written by the Washington, D.C. Island Press, the change of the planet from rapid growing demands for food and water to a more sophisticated economy presents new obstacles to overcome with those advantages. The degradation of ecosystem services has solved one problem, while creating another one. The advancement in production and distribution has caused an overload of pollutants and harmful chemicals floating in the air, and underground. On the American Policy Roundtable website, it is argued that if global warming did occur, this event would be beneficial. Between 5000-3000 B.C., a period where mankind began to build its first civilizations, climate was much warmer than global warming theory predictions.
The environmental problems that I have researched are seemingly irreversible.  On the American Policy Roundtable website, it is believed that scientific evidence has not proven that human activities negatively affect the Earth’s climate in any way.  However, in Ecosystems and Human Well-being: Synthesis written by the Washington, D.C. Island Press, it states that substantial efforts made in institutions and governance, economic policies and other incentives along with knowledge could significantly decrease the severity of the damage done.  In chapter one of A New Green History of the World by Ponting, Easter Island is now described as the most remote inhabited places on the earth; the settled Polynesians did not realize a way of not depleting their available island resources and therefore, irreversibly damaged their life support system.

5 comments:

  1. Hi, Jasmine;
    The ideas in your blog are well developed. You have also used the course materials to build your argument. Nice job! I would like to know more about this American Policy Roundtable. What evidence do they present that refutes the existence of global warming?

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  2. Very well researched. I felt that you put a lot of time and effort into the blog. I like how you used both of the readings multiple times to get your point across.

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  3. Jasmine,
    The information you provided in your blog is very interesting, especially the info from the American Policy Roundtable. Do you agree with their point of view? I know that you mention the opposing views on whether or not global warming is reversible, but what do you think? I really enjoyed how in detail you went into describing what exactly global warming is. I think it is important that we understand what it is and how it affects us. Great job!

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  4. The American Policy Roundtable propose eight main arguments disputing global warming. Most scientists do not believe human activities threaten to disrupt the Earth's climate, temperature data shows no sign of global warming, global climate computer models are too crude to predict future climate changes, the Intergovernmental Panel on Climate Change has not approved the theory, warmer climate has proven beneficial for human civilization, efforts to reduce greenhouse gas emissions is too costly for the economy, Earth's climate would remain unchangeable regardless of action taken, and the best strategy is to invest in adequate atmospheric research. To answer Kelsey's question, I do believe that the American Policy Roundtable mentions valid points. However, I personally, do not want to see the ultimate result of our poor decisions and senseless behavior. We must learn to be good stewards over natural resources; we need to think about future generations to come. I do believe that the theory of global warming holds some truth.

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    Replies
    1. It's very interesting to see what their view points are and your reaction to them. I agree with you Jasmine, some of their points make sense but we cannot rely solely on what one group believes. It's very important that we do try and help out.

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