墨西哥湾漏油事件英文演讲-(课堂PPT).ppt

,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Gulf of Mexico Oil Spill,1,2024/12/3 周二,On April 20,2010,an explosion occurred on the semi-submersible offshore drilling rig Deepwater Horizon in the Gulf of Mexico,killing 11 rig workers and injuring 17 others.,On April 20,2010,methane gas from the well under high pressure shot up and out of the drill column marine riser,expanded onto the platform,and then ignited and exploded.,After burning for approximately 36 hours,the Deepwater Horizon sank on the morning of April 22,2010.,2,2024/12/3 周二,3,2024/12/3 周二,This image from video provided by BP PLC early Thursday morning,June 10,2010 shows oil continuing to pour out at the site of the Deepwater Horizon oil well in the Gulf of Mexico.,4,2024/12/3 周二,Spill area,5,2024/12/3 周二,The environmental effects of this spill are already more dynamic than anything ever seen before in US history.,Economically,the oil spill has already taken a tremendous toll on BP and the United States and will continue to do so as relief efforts for oil cleanup and environmental restoration continues.,consequence,6,2024/12/3 周二,The spill threatens environmental disaster due to factors such as petroleum toxicity and oxygen depletion.More than 400 species live in the islands and marshlands at risk.,ecology,7,2024/12/3 周二,8,2024/12/3 周二,The oil penetrates up the structure of the plumage of birds,reducing its insulating ability,and so making the birds more vulnerable to temperature fluctuations and much less buoyant(,浮力,)in the water.,Most birds affected by an oil spill die unless there is human intervention,environmental disaster,9,2024/12/3 周二,Marine mammals exposed to oil spills are affected in similar ways as seabirds.Oil coats the fur of Sea otters and seals,reducing its insulation(,绝缘,)abilities and leading to body temperature fluctuations and hypothermia(,低温,).,A pod of Bottlenose dolphins swim under the oily water,Louisiana,Thursday,May 6,2010 in the Gulf of Mexico.,10,2024/12/3 周二,While visible damage to shorelines has been minimal to date as the oil has spread slowly,the scene remains,in the words of President Obama,a potentially unprecedented environmental disaster.,11,2024/12/3 周二,As the gradually emerging of negative effect on U.S.economic recovery,the U.S.public is more worried about its impact further spread.,Obama said in a speech on the 4th,oil spill that could make the U.S.economy face a sudden,costly crisis.He said the government would explore more opportunities to create jobs,support the Gulf Coast regions economy,meanwhile he said it will be a major challenge.,Economic impact,12,2024/12/3 周二,Affected by the Gulf of Mexico oil spill BP shares fall again,13,2024/12/3 周二,Bourgeois,who operates ten charter boats and two fishing lodges,is one of an as-yet unknown number of individuals and business owners who are impacted by the BP oil spill in the Gulf of Mexico,After the spilling,he lose his job,while he was trained to cleanup the sea oil,Training the unemployed fishermen clean oil,14,2024/12/3 周二,It will be a while before the spills full economic impact is known and,in fact,the spill is having different effects on different industries.,Theres no denying the impact on the seafood and fishing industries,mainstays of the south Louisiana economy,where operators have seen a dramatic falloff in work.,15,2024/12/3 周二,Health,Health-care workers and the general public alike could face risks by inhaling various components of crude oil,all of which may cause cancer.,Short-term effects include skin and respiratory problems,while longer-term risks are uncertain.,Some people along the coast are already reporting headaches,nausea,coughing and throat irritation.,16,2024/12/3 周二,Clean up,BP,which was leading the cleanup,initially employed remotely operated underwater vehicles,700 workers,4 airplanes and 32 vessels to contain the oil.,on April 28,the US military announced it was joining the cleanup operation.,By April 30,President Barack Obama announced that he had dispatched the Administrator of the Environmental Protection Agency and the National Oceanic and Atmospheric Administration to the Gulf Coast to asses the disaster.,17,2024/12/3 周二,1,、,After the oil leaking in,Gulf of Mexico,firstly,BP,has tried to use sub-sea robots,operating at 5,000 feet below the surface,to engage the blowout preventer and turn off the flow.,With each day that passes,the chance of this working would seem to go down.,18,2024/12/3 周二,A controlled burn of the oil in the Gulf of Mexico on May 19,2,、,In May 28,to avoid the oil spill spreading the US.decided to collect the oil on the surface and burn it.,19,2024/12/3 周二,3.Then,cleanup officials have begun to deploy chemical dispersants(,化学分散剂,)on the waters surface to break down the oil.,Theres just one problem:The product contains toxic chemical dispersants can kill fish and other wildlife-exactly the problem that the dispersants are trying to prevent.,20,2024/12/3 周二,4.Then there is the underwater dome idea.BP engineers are attempting to build a massive underwater dome(,圆顶,)to trap oil and prevent it from rising to the surface.However,it didnt work.,21,2024/12/3 周二,Thank You,22,2024/12/3 周二,