在修改演讲稿时，删减冗余的内容，保留最核心和最有价值的信息，能让表达更精炼，，适当的视觉辅助材料可以增强演讲稿的表现力与说服力，下面是92范文网小编为您分享的海洋的演讲稿6篇，感谢您的参阅。
海洋的演讲稿篇1
敬爱的老师，亲爱的同学们：
大家好!
我是八(4)班的xxx，我今天国旗下讲话的题目是《保护海洋环境，你我共同参与》。
人类只有一个地球，她是生命的摇篮，是人类共同的家园。在我们的地球上，有着辽阔的海洋。有人称海洋为“蓝色的聚宝盆”，这是因为海洋蕴含着丰富的资源，是人类和所有地球生命的摇篮，也是为人类未来生存和发展提供庇护的蓝色家园。
海洋中有丰富的石油、天然气资源，人们在海面上竖起高高的钻井平台，把海底的石油、天然气源源不断地输送到陆地。海洋里有数不清的'鱼虾蟹贝，自古以来，在海边和岛屿上生活的人，靠海为生。每到捕捞季节，就是渔民们的收获季节，出海的鱼船总会满载而归。海洋真不愧为“蓝色的聚宝盆”。
可是，人们大量往水中倒垃圾，排废水，使得海洋的危害一天天增加，大海不断被污染，人们不知道这会对海洋有多大害处。鱼，有些翻着白肚皮，其它在海里的动物，也遭到了厄运。
总有一天，大海会变成一个臭气哄天的大垃圾场。而且，里面有好多好多鱼、虾、蟹、贝，散发出腥味，到那个时候，人类才会明白自己已做错了事。
人们还把海洋里所有的资源都运到陆地上去。虽然海里的资源非常多，可是，如果天天都把大海里的资源源源不断地送到陆地，慢慢地，大海一天天变小，有一天，人们又来取了，可是大海早成了一个湖泊，人们就傻眼了。
大海里有许多生物，它们的种类多达16余万种。它们生活在海水的不同深度，一条“生物链”把它们连在一起;有些鱼虾吃藻类或蜉蝣生物，有些大鱼专门吃小鱼。海洋生物是宝贵的渔业资源，每天都为人类提供着丰富的鱼虾和各种海产品。
人类大量捕杀海洋里的生物，有些吃掉，有些则利用自身条件加工成日常用品。大海里的生物逐渐减少，虽然它们也繁育后代，可是人类把各种废物倒入大海，造成海洋严重污染，这使大海里的生物不便生存，大批死亡，最后会全部死去的!
大海里有些生物被列为国宝，但也免不了有人偷偷捕杀，非法卖掉。终究有一天，大自然会无情地惩治这些无知的人们，那时也许他们也明白不了的。
海底有一些奇特的植物，非常美丽，但有些已面临灭绝了。这是由于人们好奇地摘采，最后，采没了。子孙万代也看不到了。所以，不要摘海底那些植物，不然，它们的情况将非常危险。
同学们，现在大海处于危险状态，让我们携起手来共同保护海洋，让海洋重新充满生机吧!
我的讲话完毕，谢谢大家!
海洋的演讲稿篇2
pollution in the ocean is a major problem that is affecting the ocean and the rest of the earth, too. pollution in the ocean directly affects ocean organisms and indirectly affects human health and resources. oil spills, toxic wastes, and dumping of other harmful materials are all major sources of pollution in the ocean. people should learn more about these because if people know more about pollution in the ocean, then they will know more about how to stop pollution.
what are toxic wastes?
toxic wastes are poisonous materials that are being dumped into the ocean. they harm many plants and animals in the ocean and have a huge impact on our health. toxic waste is the most harmful form of pollution to sea life and humans. when toxic waste harms an organism, it can quickly be passed along the food chain and may eventually end up being our seafood. in the food chain, one toxic organism gets eaten by another, larger animal, which gets eaten by another animal, and can end up being our seafood. toxic waste gets into seas and oceans by the leaking of landfills, dumps, mines, and farms. farm chemicals and heavy metals from factories can have a very harmful effect on marine life and humans.
many fishermen believe that the toxic chemicals in the ocean are killing much of the fish population. one of the most harmful chemicals in the ocean is lead. lead can cause many health problems. it can damage the brain, kidneys, and reproductive system. lead can also cause birth defects for people. it has been shown to cause low iq scores, slow growth, and hearing problems for small children. house and car paint and manufacturing lead batteries, fishing lures, certain parts of bullets, some ceramic ware, water pipes, and fixtures all give off lead.
many things found in the ocean may cause seafood to be dangerous to human health. the effect on humans from contaminated seafood may include birth defects and nervous system damage. medical waste found in the ocean is being tested to see if swimmers have a chance of developing hepatitis or aids. other waste has been known to cause viral and bacterial diseases. this type of pollution can be stopped by watching what pollution we are letting into the ocean. people are trying to decrease the amount of waste in the oceans by recycling as much garbage as they can so there is a smaller amount of very harmful materials in the ocean.
boating pollution prevention tips
whenever someone takes their boat onto the water for a ride, it is creating pollution that can be very harmful to the sea life. boating pollution is the pollution that comes from the boatsquo;s engine when it is running, and it pollutes the water, killing animals with the chemicals in the exhaust from the engine. the engine gives off excess gasoline, which pollutes the waters and ends up killing the animals. in order to make as little pollution as possible, what everyone can do to help is:
only turn a boat engine on all the way when you need to.
donsquo;t take your boat out into the water if you donsquo;t need to.
be sure to store and transport gasoline in places where there isnsquo;t any direct sunlight because the gasoline will evaporate, and all of the gases that have been evaporated will pollute the air.
every year, buy new or cleaner marine engines for your boats.
garbage dumping
garbage dumping is the dumping of harmful materials into the ocean like human waste, ground-up garbage, water from bathing, and plastics. most of the waste that has been dumped into the ocean in the early 1990squo;s is still there today. one main cause of garbage dumping occurs when sewage pipes share their space with storm water drains. rainfall causes the sewage pipes to overflow and the sewage waste mixes with the storm water drain, which flows into another water source such as a lake or river. after that, the garbage pollutes the ocean, kills plants and animals in the water (for example, the plastic rings that are around pop cans can get around an animalsquo;s neck, causing it to suffocate), and makes the water dirty.
海洋的演讲稿篇3
future marine
know you today from the 2009, let me do a return tour, you tour in 2030 with the "ocean", i think you must be harvested. as we all know, oceans of the earth's seven tenths, very serious marine pollution in 2009, but in 2030, due to advanced science and technology, "decontamination robot" has become the bane of marine pollution, so, when there is no pollution in the ocean. now, i take you first "multi-functional reception", and replace "changes in the marine location device", it all took us off to another world. today's oceans, is home to human beings, 50 percent of people worldwide live in the ocean, you will find it very curious about how to survive in the ocean? fact well, sea world, where there is an "oxygen control room," oxygen produced from here, through the "oxygen cylinder" sent to every corner of ocean, people breathing in fresh oxygen, emit carbon dioxide, and then by the "oxygen control room" to receive, but also to create such a cycle of oxygen ... ....
harbour fish is strange, since the sea water into fresh water, the fish learned human language, but also to talk with people it can be fun! you to the front of a large group of fish, fish said: "good morning!" fish will speak english, i am really not believe it. listen to my introduction to you on the residential areas. although before you see is a blank, but people live here. the sea and land were not the same person, they food is simple, a "simple food dan" can be over 100 days, so they are very relaxed. live it? to four "sea" as their home, think of where to sleep on where to sleep, carefree.
then, you visit the royal palace, park ... ... must have felt very grand, magnificent it! perhaps you worry about, so many people living in the seabed, the environment will not occur the problem? not. harbour achieved without factory, but there are production. and no worse than the production of the land, because we row down the waste land, water, through the "decontamination robot" "pass" "make the robot" for processing, making available all kinds of things ... ... strange, wonderful sea world tour finished, how? i am sure you will feel the power of science is so magical.
海洋的演讲稿篇4
sea pollution
between 75 and 80% of marine pollution is caused by land, particularly agriculture. 30% of this is from the atmosphere. around 12% of the pollution is caused by maritime transport.
in south america, 98% of domestic wastewater ends up, untreated, in the sea. the countries along the mediterranean sea throw 50 million tons of waste into it every year and the chinese throw 60 million tons of waste into the yellow sea daily. over half of the hydrocarbon discharge comes from continents, 5% comes from oil tanker accidents, 20% comes from waste and other ship-related accidents, 4% from sea exploitation and 11 to 15% is due to natural causes. accidental pollution through hydrocarbon is significantly decreasing and only represents a small percentage of waste through degassing estimated at between 1.5 and 3 million tons of oil a year. in 2003, according to the wwf, between 0.7 and 1.3 million tons of oil were spread by degassing in the mediterranean. according to the ifremer (the french institute for exploitation of the sea), coastal water pollution cost the world economy almost 12.8 billion dollars in 2015.
marine pollution is the result of products being thrown into seas and oceans, mostly by mnkind: domestic waste (sewage and rubbish, pollutants in runoff water...), industrial waste (hydrocarbons, metals, synthetic chemical and organic substances, radionuclides...) and agricultural waste (fertilisers, pesticides...).
this includes water pollution and marine sediments, and more generally all damage to marine ecosystems caused by harmful substances being discharged into the sea, either by their nature or their quantity.
海洋的演讲稿篇5
亲爱的老师、同学们：
大家好，今天我演讲的题目是：保护海洋资源，自觉从我做起。
数百年前，当人类开始探索海洋的时候，没有人会想到：我们向大海排放的东西， 或是对海洋的索取，就可以伤害到海洋。那时候的大海就如同伊甸园一般。但现在的我们知道：人类正面临从伊甸园走向黑暗。
你喝的每一滴水，呼吸的每一口空气，都将你与大海联系起来，不管你生活在地球何处。大气中的氧气绝大多数是由大海产生。海洋驱动着气候和天气变化，使温度稳定，海洋为世界上，或许也是宇宙中大约97%的生命提供了居所。
没有水，就没有生命。没有蓝色，就没有绿色。然而我们人类有这样一种想法，认为地球，包括海洋、天空等全部，是如此广阔，恢复力如此之强，以至于我们对其做什么都没有关系。这在一万年前或许没错，甚至在一千年前也或许没错，但到了最近100年，特别是近50年，我们已经耗费了太多的财富，使得海洋的原始生态平衡被严重破坏。如石油泄漏、过度开发导致胶州湾面积剧减1/3、我国沿海累计丧失滩涂湿地219万公顷、美国23%的港湾严重退化、渔业资源的日益枯竭……人类的掠夺式开发已经将陆地资源几乎消耗殆尽，我们不能重蹈覆辙，将海洋变成第二个被破坏的陆地。在此，我呼吁大家：从我做起，保护海洋资源。
我们中学生都可以为海洋做些什么呢？就从以下做起吧：
1、 维护沙滩的环境卫生。在节假日约上同学、朋友，到海边帮忙清理垃圾，或帮忙清理浒苔。在海边游玩时准备一个垃圾袋，将垃圾放在垃圾袋里，装满后扔到垃圾箱里。
2、 积极学习海洋科普知识。我们生活在美丽的海滨之城，更要多掌握了解海洋知识，这样不仅拓展了同学们的视野，丰富了课外知识，还为将来致力于海洋科技研发打下良好基础。
3、 积极参加有关海洋的公益宣传活动及展览，不断向身边的人宣传海洋知识，提高人们合理开发利用海洋的'意识，号召大家为海洋环境的清洁尽一份力。
我有一个梦，让绝望的鱼儿不再在窒息的网中等待生命；
我有一个梦，让漂浮的石油不再是大海泛出的沉痛泪花；
我有一个梦，让万千珊瑚礁的污染警醒我们保护海洋的意识；
我有一个梦，让连绵海岸线的后退激起人类限制开发的勇气。
为了人类和海洋的明天，就让我们从身边做起，从每一件小事做起，携手努力，还给大海蔚蓝的美丽！
我的演讲到此结束，谢谢大家。
海洋的演讲稿篇6
同学们：
你们知道我们居住的这个星球叫什么吗?---地球。那地球有几个呢?一个。是的，地球对于我们每个人都只有一个，它是生命的摇篮，是万物的母亲，是我们人类的家园。我们每一个人都理应爱护她，保护她，珍惜她，可是我们是不是都这样做了呢?小朋友们，你们有没有发现，我们直接从羽绒服过渡到了短袖，渐渐忘记春天的感觉；你们有没有发现，当我们偶尔抬头发现天空时，天空已经不是那么的蓝……我们都在不约而同的问着一个问题：我们的地球妈妈到底怎么了?不知从何时开始，地球妈妈的脸上开始笼罩着阴霾，她开始哭泣。大量的垃圾污染了松软的土壤，使地球妈妈的皮肤变得干巴巴的。大量的工业废水、生活污水流入海洋，使地球妈妈的血液变得脏兮兮的。汽车排放出的超标尾气，烟囱散发的.乌烟瘴气，使地球妈妈呼吸不到新鲜的空气……她像一个病人，太需要我们的关爱和呵护了!
在当今这个现代化的社会，人们的生活水平逐步提高，却忽略了对地球妈妈的爱护。地球只有一个，它的资源并不是取之不尽、用之不竭的，我们应该从现在起意识到问题的严重性，一起珍惜资源，保卫地球。
对于保护地球环境，我们需要做的事情实在太多了，作为小学生，我们首先应该做到的就是保护好校园环境。我们的校园是美丽的，温馨的。在这美丽的环境中，我们沐浴着阳光，快乐地生活学习。所以，作为一名文萃娃，我们有责任也有义务保护好我们的校园环境，明天就是世界地球日，在这里，我也向全校的同学们发出如下倡议：
1、请不要随手乱扔垃圾；
2、以爱护校园环境为己任，自觉维护校园的清洁卫生；
3、从我做起，从现在做起，养成良好卫生习惯；
4、养成勤俭节约的美德，减少浪费，就是减少垃圾；
5、爱护公共设施、不乱涂乱画，不踩踏草坪，不攀折树枝。
6、节约每一滴水，随时关上水龙头。
虽然这些小事看起来都微不足道，但是只要我们用心去做，一起动手，一起努力，就能为这个已经不堪重负的地球减少一些痛苦。同学们，让我们积极投入到保护校园环境，保护地球的队伍中去吧，只有这样才能让我们的家园，我们的地球越来越美丽!
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