Environment

Climate Change

English

In the article "Evaluation of climate models using paleoclimactic data" it explains how in this period it is the warmest periord in modern civilization, and this trend is expected to continue over time. The climate over the last few years have been record breaking, the last 3 years have been the warmest years on record for the globe. Evidece has shown that it is most likely due to human activities, such as emissions of greenhouse gases. They have susposedly been the number one cause of climate arding since the mid 20th century.

Overfishing: A Serious Issue

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In this article, “Getting Serious about Overfishing” by the Economist, it is implied that our oceans are in more trouble than they have ever been. According to the article, we consume the most fish we have ever consumed. It is shown that in a study conducted in 2013, 32% of the world’s fish stocks were being exploited beyond their sustainable limit which is a lot and this is an increase of 10% since the 1970s. Although we overfish, other problems which affect the oceans are pollution and fertilizer run-off which causes big damage to the fish since it ruins their ecosystems.

The problems the oceans are facing

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The present article is exploring 7 issues that our oceans are facing. It is important to raise awareness about the destructive impacts humans have on them. It also states that we use all the good resources it gives us and we use it as a dump afterwards by dropping all our waste in it. The first problem humans cause is overfishing. We do not think about all the other species that are killed while fishing in the ocean with our big nets, causing troubles in the aquatic life.

Ocean issues in the Pacific North

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The objective of the Pacific North Coast Integrated Management Areas (PNCIMA)’s article is to raise awareness to the public about the effects of pollution. In the article, the researchers talks about the way the contaminants enters the animals and plants. It also describes the type of contaminants. It reveals the correlation between the contaminants and the death of many animals who was in contact with those contaminants, it finishes with a positive note by enumerating the laws and projects that where made in order to restrain the level of contamination in water.

South American agricultural initiatives

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It is said that humankind’s population will increase by 2 billion, which will require us to increase our actual production of food by 50% to 70% to feed everyone on the planet. With that said, we must consider that south America is one of the most resourceful areas on the planet, offering agriculture, meat production, water and forests for the world to trade with. Yet, climatologist claim that due to the upcoming waves of climate changes in south America, 90% of the land will be affected and have possibilities of drought.

the impact agriculture has on our food supply

 

Summary 4(Oceans and Fisheries/Agriculture)

 

How Can We Help the Ocean?

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Impact of Fisheries

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The article “Fisheries emissions rising despite recent efforts, UBC study shows” by Bethany Lindsay discusses and brings forward how different types of fisheries bring different amounts of Carbon and greenhouse gas emissions. A new research from the University of British Columbia discovered that crustacean fisheries, like shrimp and lobster, actually create the most emissions than other fisheries. The study found a 21% increase in Greenhouse gas emissions per tonne of fish, from 1990-2011.

Environmental Impacts of Ocean Fishing

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Summary 4:

Fisheries Emmissions

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In the article "Fisheries Emissions Rising Despite rect efforts"  written by Bethany Lindsay explains the findings about a study on fisheries and their greenhouse gasses emmisions. According to the University of B.C. research, harvesting crustaceans such as shrimp is creating a bigger carbon footprint. From 1990 to 2011, there has been an increase in carbon footprint of around 21 percent per tonne of fish. The study’s leader Robert Parker said that he didn’t really think this result was actually considered bad.