NewsActivist Posts

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In the article “ China’s appetite pushes fisheries to the brink” it talks about fisheries and how they are affecting the oceans”. Decades ago, the oceans were crawling with billions  of sea creatures, there was an abundance of everything, it was a fisherman's dream. But these days, fishermen's nets are coming up empty. Overfishing has caused many fisheries to collapse and fully exploit their resources. China, with over 1 billion inhabitants, is a major market place for seafood.

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In the news article “Bull sharks and bottlenose dolphins are moving north as the ocean warms

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In the news article, “Heat waves are roasting reefs, but some corals may be resilient”, it touches the subject of an important ecosystem change. Over the span of a couple years, many coral reefs are being destroyed due to the change in water temperature. For example, there was a heat wave back in 2016 that killed 30 percent of coral in the great barrier reef, a home to many creatures and a must for keeping the ecosystem in tact.

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In the news article, “Heat waves are roasting reefs, but some corals may be resilient”, it touches the subject of an important ecosystem change. Over the span of a couple years, many coral reefs are being destroyed due to the change in water temperature. For example, there was a heat wave back in 2016 that killed 30 percent of coral in the great barrier reef, a home to many creatures and a must for keeping the ecosystem in tact.

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In the article “Fisheries impacts on China's coastal ecosystems: Unmasking a pervasive ‘fishing down’ effect” by Cui Liang and Daniel Pauly, the authors explain how the intensive fishing can greatly impact the marine ecosystems and a lot of other aspects. This indicates that the trophic level of the catches to decrease, and it’s a signal of the existence of the ‘fishing down’ (FD) occurrence.

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The article entitled, "Our growing taste for shrimp is bad news for climate change" by the author Erik Stokstad is about the fact that the demand of seafood is increasing just like the level of carbon dioxide emitted in the atmosphere and the oceans. Crustaceans, shrimp and lobsters are in constant demand for seafood restaurants, grocery stores and markets. The economy is doing well for this part, but it is not the same situation for the aquatic species and for the health of our planet.

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According to the article “Future fisheries can expect $10 billion revenue loss due to climate change” climate change has an influence on many high points. Global fisheries stand to lose approximately $10 billion of their annual revenue by 2050 if climate change continues unchecked, and countries that are most dependent on fisheries for food will be the hardest hit, finds new UBC research. A vast percentage of the globe is consuming fish everyday. Once again, if we will not control our consumption, with the help of the climate change, there are major chances more species will be instinct.

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According to the article “Even small changes within an ecosystem can have detrimental effects”, the relationships between all species may lead to the collapse of the entire ecosystem, if there is a poor connection. One of the research was based on Acacia tree from East Africa Savanna and the interaction with ants that inhabit them.

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In the article “Sharks at risk of extinction from overfishing, say scientists.” I realized that over fishing was a big issue to many species. In Asia, sharks are fish for their fins to make a shark fin soup. When they fish the sharks, they cut their fins and they put the rest of the dead shark back in the water. The problem is that more than 100 millions of sharks are fished each years and sharks take a lot of time to reproduce and they take time to be full developed. Because of overfishing we became their #1 predators.

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Asutralia has one of the world largest reserve marine zones in the world (Which means they are not allowed to be used for fishing at all) This will have a huge impact on the species as these environment have never faced such high levels of human activity. The reason for opening up all of this new fishing area is in an attempt to help local fishing economies and help employment. But doing this is threating a whole bunch of marine life that we haven’t even seen or documented. But the scirenticfic community and environmentalist are fighting to save these zones.

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In the article "Fishing problems: poor fisheries management," it explains the problems that are going on in oceans and fisheries and what their main causes and affects are. Oceans are also threatened by marine plastic pollution and each year, an estimated 8 million tons of plastic enter the oceans, with microplastics becoming part of the food chain. Scientists estimate that without urgent action, there could be more plastic than fish in the ocean by 2050.  While complex, the issue of ocean plastic waste is a solvable challenge.

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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.

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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.

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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.

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This article is written by Deborah Cramer and has as a goal to explain to the readers the negative effects fishermen have on Right whales when they leave their fishing nets laying anywhere around in the oceans. The effects dealt on the Right whales are critical injuries that can lead to possible death, decline in the Right whale population, decrease in Right whale infants and negative psychological effects. Deborah uses a lot of statistics to explain her main point in her article.

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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.

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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.

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In the article "Sustainable seafood farms can help Asia's oceans" by Mata Press Service, the main purpose is to show how overfishing and destructive fishing in Southeast Asia puts its sustained existence at risk, despite the diversity of the marine ecosystem. The resource base of fisheries is at a medium to high risk of overfishing in the future, as the UN reports the extinction of exploitable fish stocks by year 2048 which is an economical consequence that also affects seafood production and needs.

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  Summary 4(Oceans and Fisheries/Agriculture)  

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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.

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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.

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In the article “Fisheries and the Environment”, it is described how marine ecosystems are severely damaged due to commercial fisheries; the purpose of this article is to inform the public on the causes and effects of commercial fisheries’ practices. It is further stated how overfishing disrupts the aquatic ecosystems; though fish may be renewable, they are not inexhaustible; the life and health of fish are in danger, as many are losing their habitat and are getting contaminated by elements negatively affecting the waters that fish live in.

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The following article “The Government of Canada protects Species at Risk habitat” has for purpose to justify how several marine mammals are at risk in their own natural habitat. The author of the article further puts the blame on climate change, which is resulted by our actions (again!). As mentioned in class, several causes can endanger the ocean; coral bleaching, ocean acidification, fish migration and many others.

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In an article called “Race to the Bottom:Impact of Deep-sea Fishing Severely Underestimated written by Alastair Bland, on April 2018, we study the impacts that deep-sea fishery has on the environment.

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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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According to the article "Are current fishing regulations misguided?" by John Matson, fishes all over the world continue to decline while certain species of fishes are being driven to endangerment at an alarming rate. Governments all over the world has implemented different kinds of regulations such as selective fishing in order to reduce the likelihood of an endangered species being caught and sold. What the government did not account for are the unintended consequences such as unintentionally shifting the ecosystem out of balance.

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    The article Sustainable Seafood Farms Can Help Asia’s Oceans, published by the Asian Pacific Post, focuses on the increasingly alarming rate of destruction or the Asian marine ecosystem along with the imminent collapse of itself and the fishing industry, while also present certain solutions. It informs us that across Asia, 64 % of the resource bases for fisheries at between a medium and elevated risk of overfishing, with estimates that by 2048, there would be no fish left for commercial fishing.

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The article “Environmental Impacts of Ocean Fishing & Fisheries” demonstrates that human activities have severely affected the marine life on the Earth’s oceans. Fisheries may be necessary for providing food and for the economy but they are causing huge damage to the environment. Environmentalists are warming us that if the fisheries continue to expand worldwide, negative impacts would dramatically increase and interfere with the trophic level within the ecosystem.

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In Agriculture’s Portfolio for an Uncertain Future: Preparing for Global Warming, readers are informed that global warming poses threats on agriculture.  Since agriculture takes place outdoors, climate change affects when, where, and how food and timber are produced (Drabenstott, 1992).  Changes in climate can cut crop yields, force regional shifts in production, an increase in irrigation costs, etc.  Luckily, major technological changes have been made in the twentieth century to make agriculture more adaptable.

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The purpose of Carly Cassella’s article “A Sperm Whale Found Dead in Spain Had 29 Kilos of Plastic in Its Stomach” is to display the severe consequences that ocean pollution can have on marine life. After the young sperm whale was found dead on a beach in Spain, an autopsy was performed on the whale to get further information on the cause of its death. It was revealed that the whale died because it could not get rid of the trash it had swallowed which consisted of several plastic bags, cans, pieces of rope and net.

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In his article from The Guardian, Dermot O’Gorman, CEO of “World Wildlife Fund Australia”, wanted to share his successful projections concerning the problem of overfishing. Seeing, the urgent need in seafood business, the country decided to take actions into their own hands. Indeed, studies showed that a huge range of marine species were declining in numbers. Ocean ecosystems were in danger because of the overfishing and the dangerous fishing practices. As the demand in seafood increase, the offer is lowering rapidly.

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In the article from Global News titled “Swirling pile of trash in Pacific Ocean is now 3 times the size of France” written by Emanuela Campanella. The author talks about the danger of ocean pollution in which revolves around trash in the Pacific Ocean.  One of the ways the author explorer this concern, she states that “Scientists are warning that the Great Pacific Garbage Patch, between Hawaii and California, is accumulating trash faster than ever and is now three times the size of France.”. (Campanella).

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Scientists have created a mutant enzyme capable of eating plastic bottles. This discovery is a major breakthrough for environmentalists since it could solve the global plastic pollution crisis. Initially, in 2016, a team of Japanese researchers found a specie of bacteria that can break down the molecular bonds of one of the most commonly used plastic in the world, polyethylene terephthalate,  also known as polyester or PET. Then, two years later, Prof John McGeehan, from the University of Portsmouth, UK, led a research on the enzyme produced by the plastic-eating bacteria.

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In the article “Singapore Deploys Robot Swans to Monitor Pollution and Look Serene While Doing So” the writer presents a new innovative tactic the Singapore government has put into effect to test water quality. Peter Dockrill, the author of the article iterates how ultimately, the goal of the swan is to oversee the quality of their water bodies while being environmentally friendly and not disrupting species living in the water being analyzed. Dockrill mentions how amidst blending in seamlessly, the swanbots are also a more affordable option when testing water samples.

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Write a one paragraph narrative about the best and worst part of your day today.

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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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Causes of climate change   

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According to the article “Climate change could raise food insecurity risk”, the extreme weather changes may have a big impact on the food storages in many countries. Specially the underdeveloped countries. The scientist had argued that with a change of 2°C higher, some places will not be able to provide the same amount and species. The study looked at 122 developing and least-developed countries, mostly in Asia, Africa and South America.

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Warmer weather in South-central Alaska has been increasing the intensity of snowfall annually. In fact, data reveals that the quantity of snowfall has risen for more than 117% for the last 150 years in winter and increased by 49% during summer. On top of that, the state is among the ones experiencing the most of climate changes, having their average temperature increased by 2-3 degrees in the last half-century. Indeed, warmer weather gives us warmer air, which can contain more moisture than cold air.

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In the article “The Big Thaw” by Daniel Glick, he reports that in the Glacier National Park in 1910 there were approximately 150 glaciers and now the amount has significantly decreased to less than 30 glaciers. And predicts that within 30 years they will all melt. Scientists have proof that the earth has rapidly been getting warmer, and the cause behind that would be human activity. The burning of fossil fuel and the growth of greenhouse gases in the atmosphere have affected the temperature of the earth.

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In the article “Climate Change Cause and Effect” by Joseph F. Doyle explains what humans that causes so many consequences. During 1950, the annual amount of carbon dioxide that was released in the air was around 9.2 billion tons. Nowadays, humans use 40.8 billion tons of carbon dioxide per year. In between Christmas 2017 and January 8, 2018, there was almost a new record made when it came to the amount of snowfall in North America. Other natural disasters such as strong hurricanes, wildfires, drought, hail, tornadoes and flooding have caused the U.S.

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In the article “State of the science: Beyond the worst case climate change scenario” by the scientific American, the many risks of climate change are covered. The risks presented include warming temperatures, heat waves, heavy rains, droughts, stronger storms, and more. The article says all these factors will be affected due to the continuous increase of the global temperature. According to them, warming temperatures can be bring positive outcomes such as that agricultural yield will increase in colder areas and negative outcomes such as increased insect outbreaks.

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The article "Warm water rapidly melting Antarctica from below due to climate change"  by the science correspondent Josh Gabsatiss, explains how climate change creates tremendous warm underwater that melts Antarctica's ice sheets, resulting in a rise of sea level which is estimated to highly threaten humankind due to possible natural disasters. It is also crucial to find the quantity of melted water expected to increase in order to be able to map the retreat of grounding lines, since the ice shelves connected to the bedrock underneath may collapse.

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The article “Effects of Global Warming” by Alina Bradford and Stephanie Pappas inform us about the different effects that climate change has on our planet. According to the article, the main cause of the heating of the Earth surface, atmosphere and ocean is human activity especially the burning of fossils fuels. Indeed, the article claims that more than  197 international scientific organizations affirm that global warming has been caused by human activity.

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