La pollution est la dégradation d'un écosystème par l'introduction, généralement humaine, de substances ou de radiations altérant de manière plus ou moins importante le fonctionnement de cet écosystème1. Par extension, le mot désigne aussi parfois les conséquences de phénomènes géologiques comme une éruption volcanique2. La pollution d'origine humaine peut avoir un impact très important sur la santé et dans la biosphère comme en témoigne l'exposition aux polluants et le réchauffement climatiquequi
Words: 811 - Pages: 4
Austin Ogden 19 November 2014 Position paper SOS 220 Coral Reefs vs. Climate Change Corals reefs around the world have been fighting climate change for just over two centuries. This problem hasn’t caught much attention to the average human eye, but it’s about time everybody realizes how this is affecting their everyday lives as well. Coral bleaching is one of the main concerns with coral reefs around the world. Coral bleaching can be fatal to coral reefs, which in return could hurt us in the future
Words: 3119 - Pages: 13
Thesis: Climate change threatens regional vulnerability in indigenous areas, the primary vulnerabilities include a decline in traditional food supplies and a change in water resource supply, 1st Body Paragraph: Climate change threatens indigenous people to acquire traditional food which He provided the economy, medicine, and culture for the indigenous people. a) Rising temperatures and hotter, drier summers are projected to increase the frequency and intensity of large wildfires, Wildfires threaten
Words: 351 - Pages: 2
Climate change is very challenging topic. Predicting the weather and possible outcomes in the weather can most times be a little tricky. It is often frustrating to see the weather not turn out like they said it could be. I think climate change is a challenging subject that deserves to be expressed about. Horrifying climate changes can destroy multiple things whether it relate to your own life or not. Louisiana is a major state going through many rough patches. Its state is not only struggling with
Words: 315 - Pages: 2
Destruction is coming Summary and Response Mass destruction, fires, pollution, shortages of oil and gas. In Chip Ward’s letter, “We Screwed Up” (2012) he tells of all the mistakes we have made from past generations until now. Even though he is right about some of these mistakes he forgets to give solutions on how to fix them. If we don’t change now and find solutions, the next generations could be facing these problems alone. In the next 50 to 100 years people might see the world change to a
Words: 713 - Pages: 3
The annual mean, spring mean, summer mean, autumn mean, winter mean, summer maximum and winter maximum of PM10 concentrations has presented in table 1. Table 1 shows that annual mean of PM10 in Ahvaz was 261, 323.78 and 727.65 µg/m3 in 2010 until 2012. Based on result Table 1, increase in the average annual concentration of PM10 in Ahvaz since 2010 until 2012. The table 1 shows that annual average of PM10 concentration in Ahvaz which is higher than NAAQS standards. The standard of PM10 according
Words: 394 - Pages: 2
Just as the earth is in constant motion, our environment is in constant change. Everyday there are environmental changes happening all around us. They can be gradual and happen over millions of years like the great Himalayas or they can be quick and sudden like an earthquake or tsunami. These environmental changes have a major impact on evolution. When a change takes place in an environment, organisms will either adapt to their new surroundings or they will no longer exist. As is the case with the
Words: 679 - Pages: 3
Ocean Acidification The article that I read about is called “Why isn’t anyone talking about ocean acidification”. This article explains that climate change is not the only outcome of increased greenhouse gas concentrations, and that ocean acidification occurs when carbon dioxide dissolves (CO2) in ocean water, undergoing a chemical reaction that produces carbonic acid. The increase of ocean acidification is attributed to one main cause: an ongoing increase of carbon dioxide levels in the earth’s
Words: 279 - Pages: 2
Change is inevitable and what many people do not understand is that our environment changes as well. Many may not realized it, but our actions do affect our planet and the weather. There is ample amount of proof that due to our environmental choices our Earth is changing, along with weathers patterns. Our stubborn ways is creating many terrible choices and harming the harming the future of our planet and our nation’s government. The novel, “Parable of the Sower”, by Octavia E. Butler is set just
Words: 1093 - Pages: 5
What if one of the most famous events in Chicago history, the Great Chicago Fire of 1871, never happened? What would the city look like today? “Once you open up what might have happened, the possibilities are endless.” -Carl Smith To a tremendous degree, the outline and design of the city of Chicago and the character of the structures are an aftereffect of the Chicago Fire. On the off chance that the fire had not happened, it would look a considerable measure changed. To start with, think about
Words: 1151 - Pages: 5
