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In an article by Popular Science, they talk about how half of marine life population has disappeared in the last 45 years. The article also notes that by 2050, coral reefs will face extinction by 2050 if the current rate of pollution in the ocean continues. Ocean species like Tuna have declined by 74% and seas cucumbers have declined by over 90%. Though they do point out that due to a change in ocean conservation policy such as increasing ocean protection zone have increased fishing laws. Many of these zones are now starting to return to there previous state.

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Compared to 1990, in 2011 there was an 60% increase in the amount of crustacean caught and represented the greatest growth in the fishing industry. This increase in caught shrimped has led to a huge increase in the amount of CO2 emitted by boats capturing crustacean, by about 28% between 1990 and 2011. This has been attributed to a decrease in the cost of gas. The catching of crustacean only accounts for 6% percent of tonnage by the fishing industry but emits  22% of all CO2 by the industry.

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Climate change is a very serious issue today, and it is talked about quite a lot.  A major cause for climate change is the release of greenhouse gas emissions.  Although the world is aware of the main cause (greenhouse gas emissions), there are specific reasons that countries do not always do everything in their power to stop/diminish greenhouse gas emissions.  In “Climate Change Demands We Change.  Why Aren’t We?

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Population Growth and decline is a issue of huge concern that the world will have to face. In the article by scientific American, The DESA are predicting anywhere from 6.8 billion people to 16.1 billion people living on this planet in 2100. The developing world is where most of this growth is expected with the developed world staying the same in terms of population numbers. There is also uncertainty if the populations of these countries will start to have to have a decline in fertility rate due to increasing standards of living.

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