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University lecture on environmental protection 1
Dear teachers and students:
Hello everyone! My name is _, and the topic of my speech today is "Pay attention to the environment"
Environment is a good friend of human beings and is closely related to our lives.
However, due to our selfish desires, we cut down a lot of trees, causing soil erosion and a lot of vegetation destruction.
Environment is both heaven and hell for human beings. People open their dream eyes and hope that they have all the wealth. While destroying the environment, human beings are also destroying their own living environment.
We must take all measures as soon as possible to save endangered wild animals and our living environment. Biologists have issued a global warning: "In a short period of time, 5,000 species of animals will be extinct around the world." At the same time, there is the same voice: "In the first half of this century, one mammal was destroyed every five years, but in the second half of this century, the speed of destruction has accelerated to one every two years."
Warnings echoed in the air, and the tragedy continued under our feet.
Humans who have entered Gao Wenming society are still foolishly destroying the ecological environment.
Countries with abundant wildlife resources on the earth, while trying to protect them, have to watch them being killed, trampled and plundered ... while human beings are destroying the environment, they are also destroying the animals protected by the state. The fate of the giant panda known as the "national treasure" is also inevitable. If the ecological environment is destroyed, the homes that these generations depend on will also be destroyed wildly, which is caused by our cruelty and ruthlessness.
The Yangtze River and the Yellow River in China have been similarly damaged, resulting in serious water pollution. So the Yellow River and the Yangtze River are no longer crystal clear. Man-made factors are one of the important factors leading to the pollution of the Yangtze River and the Yellow River. As long as this factor is not completely eliminated, then "natural enemies" are still human nightmares, and protecting wild animals means protecting human beings.
The spirituality of nature tells us that only peace can survive. Let's join hands to create a better tomorrow.
University lecture on environmental protection II
Dear teachers and students:
Hello everyone!
There is only one earth for mankind. She is the cradle of human life and the home of human beings.
There is an old riddle in France: there is a water lily in the pond. At first, there was only one leaf, but the number of leaves doubled every day, that is, two on the second day, four on the third day and eight on the fourth day ... And so on, ask: "If the leaves cover the whole pool on the 30th day, when will the leaves cover half the pool?" Answer: "29 days."
When the earth also entered the 29th day, we stood by the lotus pond of the earth, watching environmental problems spread all over the world, and people desperately competed for land and resources for survival. As victims of the crisis, we are deeply worried about tomorrow and can't help asking: "Why does this' water lily' grow so fast? Can we find a way to stop water lilies from spreading all over the world tomorrow before tonight? "
We only have one earth. After the baptism of countless storms, the loess has become an oasis, the high gorge has emerged from Pinghu, the place where our ancestors were born and developed, and the oasis has become our home.
We were born in our homeland, and our homeland was built for us. Environment created human beings, but human beings can change the environment. In order to survive, our ancestors turned the Paleolithic Age into the Neolithic Age, and the Neolithic Age into the Bronze Age ... until today's modern tools. From catching prey and picking wild fruits to reclaiming land and building factories. From making grass nests and building thatched cottages to building tile houses and luxury houses. When vilen was conquered, the mountains were lowered, the deep sea became discolored, and the valleys became deformed. A bustling downtown appeared, with rows of commercial buildings, shuttling cars, factories and crucian carp-like pedestrians.
Through the efforts of countless generations, human life has reached unprecedented prosperity. However, with the development of modern industry, human beings have paid the price of health and life. We are in an era of world crisis. Population explosion, food shortage, resource depletion, ecological destruction and air pollution ... are all fatal to human beings and closely related to each other. Humans will never forget: 1930 Mas Valley smog incident, 60 people died and thousands of people suffered from respiratory diseases; 1952 London fog and haze incident, 12000 people were killed; 1953 More than 60 people died in a flood accident in Japan; 1955, 128 people died of Toyama's pain ... Recently, Hong Kong Phoenix Satellite TV broadcasted a large-scale environmental protection propaganda film "We only have one earth", which truly presented a series of terrible events to us. We found that our home is no longer blue sky and white clouds, willows and willows, green grass, sandy sand, safflower wins fire, and rivers are as green as blue.
We lament that human beings were born in ignorance and died in civilization. Now, we human beings are punished by nature, because many of our achievements are at the expense of the environment. We are shocked: we have only two choices, either silence and mutual destruction with the environmental crisis; Either take action, get out of the predicament and defend our home.
Thankfully, the painful cost has educated people, and it suddenly dawned on mankind that we only have one earth. For mankind and all living things at this stage, the earth is the only home in the vast universe. Nature breeds all life and provides the most basic guarantee for human survival, evolution and development. If the environment is polluted and the ecology is destroyed, it means that human beings are personally destroying their homes. Therefore, for the survival and development of human beings, all mankind must take action to protect the environment, save the earth and maintain the ecological balance.
Therefore,1In June 1992, the United Nations convened the "Environment and Development Conference", adopted the world-famous Agenda 20, and clearly put forward the overall strategic sustainable development strategy for promoting environmental protection and economic and social development. Our government responded positively, took active measures, quickly formulated ten strategies of "environment and development" in China, and promulgated a series of laws and regulations on environmental protection, calling on people to plant trees, control population growth, improve population quality, establish nature reserves, develop eco-tourism, promote a virtuous circle of green consumption and green investment, implement clean production, and reduce pollution to a minimum. The implementation of this series of measures has achieved good results in China. For example, in 1978, there were only 34 nature reserves in China. By 1999, there were 799 nature reserves, accounting for 6% of the total. The forest coverage rate has also increased from the original 12.3% to 23.5%; Soil erosion has been reduced by 30%. Facts have proved that as long as we work hard, we can still have a vibrant home.
We should bear in mind: "We must effectively protect resources and the environment, not only to arrange the current development, but also to consider future generations. Never eat ancestral rice, cut off future generations, waste resources and pollution before governance. "
We only have one earth, and we believe: "As long as everyone gives a little love, the world will become a beautiful world!" " "Let's protect the earth with love and save the earth with action from now on! Let our home be warm and beautiful forever! Let our planet be full of vitality forever!
My speech is over.
University lecture on environmental protection 3
The earth is the only planet in the universe that can carry human life so far. Humans have lived on the earth for millions of years. In this long time, human beings depend on the resources on the earth (air, moisture, sunshine) for survival, reproduction and development, so the earth is the mother of human beings.
On the long road of development, human beings have made brilliant achievements, both in perfecting nature and developing economy. But at the same time, the unreasonable development and utilization of natural resources and the neglect of environmental protection have caused global ecological destruction and environmental pollution. At present, 6 million hectares of land in the world become desert every year, 20 million hectares of forests are disappearing, and one species is extinct every hour on average. Due to the destruction of the ozone layer, the greenhouse effect intensifies, the earth's temperature rises, the Antarctic ice sheet begins to melt, the sea level will continue to rise, and many coastal cities, islands and a lot of land in the world will be swallowed up by seawater. This series of environmental problems not only affect economic development and social progress, but even threaten human survival, so caring for the environment has become a concern of all mankind.
In early June, the United Nations held the World Conference on Environment and Development in the Brazilian capital. 175 countries and 15000 delegates, including 13 1 heads of state or government, attended the meeting. It can be seen that protecting the environment has become the common voice of all mankind!
Students, it is very important to protect the environment. If we don't pay attention to environmental protection in the process of economic development, we will be retaliated by nature. It not only harms our generation, but also harms future generations!
China is building socialism with China characteristics centering on economic construction. In the process of modernization, the party and the government attach great importance to environmental protection and regard environmental protection as a basic national policy. The environmental protection law promulgated in 1989 alone has more than 100 environmental protection regulations, and environmental protection is becoming the conscious action of our people.
Students, we are the little masters of the earth, and each of us should have environmental awareness since childhood. Protecting the environment is our unshirkable responsibility. We should start from now on, from around us, from small things: take care of flowers and trees, birds and other small animals, and so on. Through our efforts, the sky of the motherland is bluer, the land is greener and the water is clearer.
Every day is Environment Day.
University lecture on environmental protection 4
Dear teachers and students:
Hello everyone!
As we all know, environmental protection is environmental protection. However, the earth, a beautiful and rich blue planet, is black and blue under the destruction of human beings, so it is urgent to protect the environment.
Not long ago, there was a kind of pigeon called waiting pigeon in South America, and the number was huge. When billions of pigeons flew over the forest, the whole sky was covered. However, because people discovered its edible value and killed it at will, coupled with the deterioration of the environment and the reduction of forests, the number of pigeons was decreasing day by day, and the last waiting pigeon died in the cage of the zoo, and this beautiful bird was completely extinct. At that time, the United States lowered its flag at half mast to mourn.
This wanton destruction of the environment by human beings can not only make animals extinct, but also make great changes in the climate. Acid rain, global warming, rising sea level, melting ice floes, ice shelf collapse, sandstorms … these natural disasters are all "masterpieces" of human beings. Do you know the cost of 1 degree in global warming? American scientists have come to an amazing conclusion through experimental demonstration: the average temperature of the earth will rise by 1 degree, which will reduce crop production a lot; If the polar region rises by 2 degrees, the melting water will flood 90% of the earth; If it rises by 3 degrees, all the ecosystems on the earth will collapse.
So, what are the reasons for the drastic climate change? It is because people cut down forests at will, making the land barren, and people kill animals at will, making them extinct. People build chemical plants one after another, and the exhaust gas from chemical plants can "drill" into the ozone layer, so that ultraviolet rays in the sun can directly irradiate the earth's surface, which will cause serious consequences such as heatstroke, skin cancer and accelerated melting of ice.
What can we do for environmental protection? Now, let me tell you some measures we can take:
First, try not to use disposable chopsticks. Too many disposable chopsticks will lead people to cut down trees harder.
Second, save water and electricity, and turn off the faucet after use, because a dripping faucet can waste 1 for half an hour. Eight liters of water. Turn off the light in time after use, which can not only prevent the waste of electric energy, but also avoid the fire.
Third, don't litter waste batteries, plastic bottles and other items. The chemical waste in the battery will make one square meter of land useless.
Finally, I appeal that as future successors, we should unite to protect the earth and love my family! Thank you!
My speech is over, thank you!
University lecture on environmental protection 5
Dear teachers and classmates, hello everyone:
The theme of my speech today is: save resources, cherish the earth, protect the environment, and be a qualified little environmental guardian!
I believe many people have heard of the "Earth Hour" lights-out activity. On March 3rd1day, the next unforgettable bonfire party in Leifeng Tower was beautiful, and the candle placed on the word "60" symbolized this wonderful moment. The theme of this year's "Earth Hour" activity is: Everyone has an environmentalist in his heart.
We once praised our motherland so proudly: vast territory and abundant resources, magnificent mountains and rivers! As we all know, China is the largest developing country in the world with a large population. Premier Wen once put forward such a profound multiplication and division method: "How small a problem is, multiplied by1300 million, it will become very large, and how large an economic aggregate is, divided by1300 million, it will become very small." For example, the total amount of fresh water in China is 1 100 million cubic meters, which is not rich. Divided by 65.438+0.3 billion, the per capita fresh water resources are only 2,200 cubic meters, only a quarter of the world average! Vibrant forests are very rich and have the reputation of "lung of the earth". However, the per capita forest area in China ranks behind 120 in the world, and now it is rapidly decreasing at a rate of more than180,000 hectares per year. The reduction of forests makes the climate worse and causes serious soil erosion. The Yellow River, once the mother river of China, has become downright "surly".
Teachers and students, what should we do for the sustainable development of mankind and the beautiful home of the earth in the face of the deteriorating environment?
We should save every drop of water. Remember to turn off the tap at hand. Don't think that a few drops of water in the tap are nothing. A drop of water per second from the tap is 36 cubic meters of water a year. We should actively look for "golden ideas" to save water in our lives: for example, watering flowers, washing mops, washing toilets, etc. , and recycling.
We should save every kilowatt hour. Turn off the lights, use the air conditioner rationally, find common sense of saving electricity and practice hard. Actively use clean energy such as solar energy, wind power generation and tidal power generation. We should save every piece of paper. Use homework paper on both sides, use more handkerchiefs and less paper towels. If we save a piece of paper every day, the country can save 474.5 billion pieces of paper a year and cut down 10 thousand trees a year. In this sense, saving paper means creating forests.
We should advocate green travel. Automobile exhaust contains a lot of carbon dioxide, which will have a "greenhouse effect" on the earth. Driving one day less and riding a bike one day more can not only make the air fresher, but also exercise our bodies.
We should advocate the use of environmental protection bags. Because the burning of plastic bags will produce a lot of toxic gases, pollute the atmosphere, and it is not easy to degrade, which will destroy our land, so we should try our best to reduce "white pollution".
……
Saving resources and protecting the environment need everyone's strength. Students, let's take action and be a little environmental guardian who saves resources and cares for the earth!
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