Monday, January 27, 2020

The Samarco Dam Collapse

The Samarco Dam Collapse The Biggest Brazilian Environmental Disaster Introduction    When a natural catastrophe happens, it always catches the attention of people around the world. Therefore, this research was the place where information was collected about the greatest environmental disaster that occurred in the history of Brazil, which affected the lives of many Brazilians. This report aims to show the damage caused to the population and the environment, besides the neglect of these large companies with the population Methodology This report is constituted of research and collection of information of news, and informative reports about the biggest environmental disaster in the history of Brazil. The Disaster On November 5, 2015, the greatest environmental disaster occurred in the history of Brazil. This tragedy occurred at the small historic town of Mariana in the interior of the state of Minas Gerais. The Fundà £o dam, which was the responsibility of the mining company Samarco, failed, causing the leakage of approximately 62 million cubic meters of mud from the tailings, a huge tsunami In total 19 people died, hundreds of buildings were destroyed and left families homeless. The largest volume leakage of material dumped by dams of mining rejects of all time, also caused the pollution of the Doce river and environmental damage that extended to the states of Espà ­rito Santo And Bahia. (O Globo,2016) The village that was destroyed by the mine collapse (The Argentina Independent,2016) The mudslide tsunami reached 39 cities in three Brazilian states. As a result of this disaster more than 11 tons of fish were killed. The fauna and flora in the Rio Doce Basin became even more vulnerable. Ecosystem and species already threatened by predatory activities, impacts from industry, agriculture and mining are now at risk of extinction.(O Globo, 2016) The Results Samarco is controlled by Vale and the Australian company BHP Billiton, which accounts for 2% of the world production of pellets (steel balls used in steel production), is also one of the largest exporters in Brazil. (News.com.au, 2016) The Fundà £o dam used the hydraulic landfill system. The preliminary reports showed that the main hypothesis for the accident, according to experts, is that a liquefaction (process has occurred, rather than Ejecting, retaining water), leading to the transformation of the sand into mud and a sudden variation in the internal pressure of the tailings deposit, making it unable to contain the waste. Shortly before the accident, the University of Sà £o Paulos Seismology Center (USP) recorded four small earthquakes. (O Globo, 2016) Almost a year after the disaster, a re-issue was announced with the possible causes of the breach of the reservoir, BHP commercial director Dean Dalla Valle said there is no evidence that anyone had put production ahead of safety or reason to believe that someone from BHP had indicated that the dam was in danger. The purpose is to determine the cause of the failure and not blame, (News.com.au, 2016) said Dalla Valle, denying that BHP or Vale had information about the prospects for a disaster. Youre not hiding any of it its there for all to see. (News.com.au, 2016) In the report, it was found that the rupture of the dam was caused by structural defects that prevented drainage. Despite the results, Samarco denies irregularities. It is clear that despite the results presented the company remains concerned about its own profits rather than being worried about predicting future disasters. According to The Argentina Independent, the 76 pages of the report showed that the dam rupture was caused by problems in the drainage project. Furthermore a small earthquake on the day the dam also could have accelerated the failure, according to the report. Besides that a separate police investigation also accused mining company Samarco of intentional misconduct, claiming the company ignored signs that a dam was at risk of collapse. Samarco has already been fined 250m reals ( £64m) by Ibama (Brazilian Institute of Environment and Renewable Natural Resources) and 112m reals ( £28m) by Semad (Minas Gerais state governments environment agency). (News.com.au, 2016) Conclusion Even the disaster had occurred in the Rio Doce basin affecting a small part of a country as big as Brazil the disaster is far from over for the people living in those places. Douglas Krenak explains: Those affected continue to suffer, public health is precarious, The social system is precarious, its going down, this tragedy is creating problems now and it will create more in the future( The Argentina Independent, 2016). Although this story is far from over, what is expected to be responsible for the damage to the population and the environment. So that in the future the companies will invest more in the development of new technologies in their works foreseeing a greater security so that disasters like this one never happen again Bibliography The Guardian (2016, October15) Samarco dam collapse: one year on from Brazils worst environmental disaster Retrived February 27,2016, from:https://www.theguardian.com/sustainable-business/2016/oct/15/samarco-dam-collapse-brazil-worst-environmental-disaster-bhp-billiton-vale-mining O Globo(2016, November 11) Maior desastre ambiental do Brasil, Tragà ©dia de Mariana deixou 19 mortos Retrived February 27,2016, from:http://acervo.oglobo.globo.com/em-destaque/maior-desastre-ambiental-do-brasil-tragedia-de-mariana-deixou-19-mortos-20208009 The Argentina Independent(2016, april 7) The Forgotten Tragedy: Revisiting Brazils Worst Ever Retrived February 28,2016, from:http://www.argentinaindependent.com/currentaffairs/analysis/revisiting-brazils-worst-ever-environmental-disaster/ Insurance Journal(2016, august 30) Brazil Mine Disaster Caused by Poor Drainage Design of Tailings Dam: Report Retrived February 28,2016, from:http://www.insurancejournal.com/news/international/2016/08/30/424781.htm News.com.au(2016, september 1) BHP on fatal Brazil dam burst report: Were not hiding any of it Retrived February 29,2016, from:http://www.news.com.au/technology/environment/bhp-on-fatal-brazil-dam-burst-report-were-not-hiding-any-of-it/news-story/562524fb559f21f4180b171da7009098

Sunday, January 19, 2020

Jehovah’s Witness Study Notes

Jehovah's Witnesses was first started by Charles Taze Russel in Pittsburgh around 1870. What led Charles Russel to first start the denomination was when he tried to convert an atheist to Christianity and ended up being converted instead, not to atheism but to agnosticism. Important Religious Beliefs Witnesses rely on the authority of the Bible when they live their day to day life. They believe that the bible is a gift from God that tells humans about what God is like, how to cope with problems, and how to please God. Jehovah’s Witnesses affirm full inspiration of the bible by God and the preservation if its copies over the centuries. Jehovah’s Witness have a special translation if the Bible called the New World Translation Witness believe in only one God. They stress the fact that God has revealed his personal name to humanity, which is Jehovah. Jehovah, in the book, has a spirit body and lives in heaven, but sees all things. While Christians believe that Jesus was â€Å"fully God, fully man†, Witnesses teach that Jesus was not God, but God’s first official creation. Jehovah’s Witnesses believe that that they: Teach the truth about God, provide a model of a perfect life for people to follow, and he sacrificed his life to set humans free from sin and that his crucifixion was not on a cross but a upright stake. Customs and Practices Jehovah’s Witnesses baptize those of age who have made a decision to join the faith. Baptism is done by full entrance in water. After one is Baptized they are to include regular attendance at Kingdom Hall meetings and evangelism. Witnessing and Evangelism is the most know to other religions, it is done door-to-door. Witnesses who are employed full time (and are known as Kingdom publishers) devote 100 hours each month to witnessing. Paid employees of the Watchtower Society who are expected to spend about 150 hours per month on evangelism. Jehovah’s Witnesses hold religions services in buildings called Kingdom Halls (could be rented). There are no crosses displayed inside or outside the Kingdom Hall. Holy Books Jehovah’s Witness have a special translation if the Bible called the New World Translation. The New World Translation of the Holy Scriptures, there are six volumes between 1950 and 1960. Membership Today Since 1995 the Watchtower society have quickly become less encouraging. Similarities and Differences Both religions believe in only one God and both live lives that are guided by a book, the bible. Differences include that Witnesses must advertise their practice and attend meetings 3 times a weeks, while Catholics are free to live the lives they feel are best suited for them.

Saturday, January 11, 2020

Science Report on Spinosaurs

DATE: January 24, 2013 NAME: Carl Kallies SCIENCE REPORT: Dinosaurs – Spinosaurus The Spinosaurus is my favorite of all the dinosaurs. It was made famous in the movie Jurassic Park 3, one of my favorite movies. Scientists estimate Spinosaurus to be 40 to 56 feet or 12 to 17 meters from head to tail. Spinosaurus’ body looks a lot like that of T-Rex, but there are a couple of obvious differences. Of course, T-Rex didn’t carry that large sail-like fins made of 6-foot spines.And the front arms of the Spinosaurus are heavier and longer than T-Rex’s arms. Some scientists think this means that Spinosaurus used them for walking, while others say these strong front arms could really get a grip on dinner. The head of Spinosaurus was longer, more narrow, and not as heavily built as that of T-Rex. Whoever named this beast wasn’t having the most creative day. Spinosaurus means â€Å"spiny lizard. † There were large spines extending from the vertebrae alon g its back.And when I say large, I mean they could grow up to 6 feet long! Most researchers believe that the spines were covered with a membrane of skin that filled in the spaces between the spines, sort of the way webbing fills in the spaces between the â€Å"toes† of a duck This made a sail-like fin that could have helped control body heat. Some researchers think that the sail could have been extended or collapsed at least to some extent. Perhaps then the sail could be used to get some other dino’s attention.Spinosaurus was discovered in 1912 by a German paleontologist. Ernst Stromer found the first and most complete specimen in Egypt. Sadly, this specimen was destroyed during the bombing of Munich in WWII. No Spinosaurus since Stromer’s first find have been as complete. The long narrow snout of Spinosaurus contained jaws full of sharply pointed teeth. Unlike the steak knife serrations of T-rex teeth, Spinosaurus teeth were smooth and round.Because of the rese mblance to the bite of crocodiles, where the upper teeth of the Spinosaurus interlock with the lower teeth, scientists think Spinosaurus might have had a diet consisting primarily of fish. To add weight to the fish diet theory, acid etched Fish scales have been found in Spinosaurus stomachs. While their bodies are well-adapted for meat, their particular variety may have been of the swimming type. I think that the Spinosaurus is one of the best dinosaurs ever discovered.

Thursday, January 2, 2020

Psychology and Impact Personality Development - 1997 Words

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