Tipping point ( Enviromental Science) Life Sciences Essay (Essay Sample)
Tipping Point is the Topic
A potential tipping point that worries many environmental and climate scientists involves a positive feedback loop from melting permafrost areas in the Arctic. This will be explained in more detail in Chapter 8, but basically, permafrost soils hold large quantities of methane and carbon, which can become carbon dioxide as these soils thaw. Human activities like burning fossil fuels are already raising methane and carbon dioxide levels in the atmosphere. Methane and carbon dioxide are greenhouse gases that trap heat in the atmosphere, and this is increasing temperatures in the Arctic. As temperatures increase, permafrost soils begin to thaw and release more methane and carbon dioxide into the atmosphere. This methane and carbon dioxide leads to further warming and more thawing of permafrost soils, which results in even greater releases of methane and carbon dioxide, and so on. Such a situation could lead to rapid and runaway global warming and climate change, pushing our planet beyond a threshold and over a tipping point.
Define the term thoroughly, in your own words.
1. Explain the importance of the term using evidence.
2. Discuss how the term affects living things and the physical world.
3. Suggest two specific actions that can be taken to promote 4.environmental sustainability in relation to the term.
5.Explain exactly how those actions will aid in safeguarding our environment in relation to your chosen term.
Provide detailed examples to support your ideas.
Sustainable Living Guide Contributions: Sustaining Biodiversity and Ecosystems
Prior to beginning work on this assignment, read Chapters 1 and 2 in the course textbook. The purpose of this assignment is twofold: first, to enable you to explore a term (concept, technique, place, etc.) related to this week’s theme of sustaining Earth’s biodiversity and ecosystems; second, to provide your first contribution to a collective project, the Class Sustainable Living Guide. Your work this week, and in the weeks that follow, will be gathered (along with that of your peers) into a master document that you will receive a few days after the end of the course. The document will provide everyone with a variety of ideas for how we can all live more sustainably in our homes and communities.
A tipping point occurs when a change in one variable of non-sequential systems alters the state of the systems to a completely different one (Krishnamurthy, Fisher, Schimel, & Kareiva, 2020). The change usually occurs in a steady, incremental manner. In environmental science and climate change, a tipping point is a juncture at which there could be irreversible changes on the planet if it continued to experience exceedingly high environmental stress (Miller & Spoolman, 2016; Krishnamurthy, Fisher, Schimel, & Kareiva, 2020). At this point, environmental stress could cause the planet to become extremely unstable, hence collapsing. Environmental and climate scientists believe that the Earth’s climate systems are about to experience irreversible changes as the threat of exceeding the tipping points is greater, now more than ever. Some examples of tipping points, as revealed by Miller and Spoolman (2016) are enormous loss of coral reefs, exceeding the tipping point of 450 ppm of atmospheric carbon levels, and the melting of both the Antarctic and Greenland ice sheet, among others.
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