On the first day of New Year's Day

Throughout the ages, Mother Earth has raised countless generations of children and grandchildren with sweet milk. It turned out that she was beautifully decorated by junior students. However, now human beings have tortured her to death for their own interests. Humans only

There is an earth; The earth is facing a serious environmental crisis. "Save the Earth" has become the strongest voice of people all over the world. I feel heartache for the deterioration of the surrounding environment, I think: as a future successor.

Young people, if they do not understand the composition of human environment and the seriousness of environmental problems, ignore the laws and regulations on environmental protection, do not enhance their awareness of environmental protection, and consciously fulfill their obligations to protect the environment, our

Life will be destroyed by our own hands, and God will punish us severely. To this end, I am determined to start from myself, protect the environment, protect our homeland and be a guardian of the environment. exist

In the past year, I actively participated in the tree planting activities carried out by the school, and led the class cadres of our Senior One (6) Squadron to set up a "Green Angel" group to plant trees to protect the green and encourage the team members to adopt a small tree on campus.

Miao, dressed up in her spare time, laid the foundation for her to grow into a towering tree. In the signing activity of "Let the Earth Be Full of Life" organized by the school, I solemnly signed my name on it and wrote it down.

Realize the determination and expectation of environmental protection and the vision of a better future. I actively participated in the prize-winning solicitation held by the school in World Environment Day, carefully consulted and collected various materials, conducted social surveys, and wrote articles on environmental governance.

I often attend environmental protection lectures organized by the school, watch environmental protection videos, actively participate in environmental protection knowledge quiz activities, and fill in each question carefully. I joined the "red scarf"

The website construction of "Green Team" publishes a large number of environmental protection pictures and knowledge, as well as legal knowledge about various aspects of environmental protection, the development trend of environmental protection in China and the environmental protection situation around the world.

Conditions; Every month, I will use the internet and newspapers to find some latest "environmental information" with different themes and sections to tell you; We also make some publicity boards regularly to publicize environmental protection knowledge and common sense of life.

Raise everyone's awareness of environmental protection; Call on students to take care of their homes from different aspects, start from the little things around them and make contributions to the surrounding environment! I actively mobilized people around me to come.

Law protects and builds the same and only home for mankind, and contributes to the sustainable development of economy, society and human civilization. I also started to raise a pot of flowers and adopt a tree with my classmate.

Cherish every piece of green land and make our surroundings full of green ""Use small plastic bags instead of foam lunch boxes and disposable chopsticks to keep us away from white pollution ". Let's put down the convenient bag and pick up the vegetable basket. Let's

We * * * move towards a bright green tomorrow and a brilliant future! According to a report I collected, "environmental problems are caused by unreasonable development and utilization of natural resources by human beings." terrible sight

The main environmental problems are air pollution, water pollution, noise pollution, food pollution and improper development and utilization of natural resources. "Iron facts tell us that they are ruthlessly swallowed up like demons.

Eating people's lives. It threatens the ecological balance, harms human health, restricts the sustainable development of economy and society, and puts human beings in a dilemma. To this end, I made a declaration: "As long as we-humans sometimes."

Never forget the consciousness of protecting the environment and managing the environment according to law. The global village will become a beautiful paradise. "In the future, the sky must be blue, the water must be clear, the trees must be cloudy, the flowers must be everywhere, and human beings can enjoy it.

We are blessed by nature. "The real test of our contribution to the environment is not words, but actions." Although what I am doing now is only a small thing, I firmly believe that if we all have insurance.

The sense of responsibility to protect the environment, starting from ourselves, starting from small things, and jointly protecting our homeland will naturally give human beings due returns. Take a nap in the warm cradle-grassland; Beneath the kind smiling face-the sky

Dragon, bathed in the river, is the source of love.

Begonia blossoms smile, and cherry blossom girls stick their heads out from the branches. A UFO came into my sight, which scared me to let out a cry.

After the long vacation, the long-awaited spring outing has finally arrived.

On this day, the big and heavy schoolbags on the students' shoulders disappeared, and they were all replaced by small and light small backpack. The books and pens in the schoolbag suddenly turned into delicious snacks and drinks, and even the students' mood suddenly relaxed a lot.

We are about to start, and the students look refreshed, humming brisk music and striding forward with a full face of spring.

The bus started, carrying the students' happy mood to the distance. In the car, every classmate is talking about the happiness brought by the spring outing and sharing this happy time.

At the destination, the students scrambled to get off the bus. It can be seen from their faces that everyone wants to see the scenery of the destination as soon as possible.

There was a sea of people in front of Zheng Da, and students flocked to it. Excitement and curiosity turn into motivation, so that everyone can squeeze into the crowd together. The noise was mixed with the cheers of the students, and we felt the breath of spring together.

We finally found a piece of green grass, covered it with a blanket, and we can move freely. The scenery in spring is so beautiful that people have to indulge in the breath of spring and enjoy the beautiful scenery of spring. Haitang smiles, and the cherry blossom girl pokes her head out of the branch. The air is filled with rich floral fragrance, and the whole park is full of flowers, red, yellow, purple and blue, forming a beautiful picture.

I came to a small forest and was enjoying the scenery. A UFO came into my sight, which scared me to let out a cry. I sat on the ground, stood up and patted my trouser legs, only to find that the UFO was a peacock! This shocked me greatly, because later we couldn't see a large group of peacocks walking in the grass. It's a pity that they don't seem interested and don't want to open the screen.

I walked for a while and a dense bush attracted me. I suddenly found that the trees here are so green. Several beams of sunlight came out from the thick leaves. The trees here are so tall, the thick branches extend upward from the middle, and there is no "top" in sight.

……

Going home, the green space is still unforgettable, and we are reluctant to leave, reluctant to leave this rich floral fragrance, green grass and tall trees. I didn't say a word in the car. Although we are in the car, our hearts are still walking on the green path, wandering in the rich fragrance of flowers.

In my teenage memory, a river filled a huge space. Whenever I am tired, I will go back there, back to the place that brings me happiness.

This river is changeable. I love its branches covered with green smoke in spring, the river dyed green by leaves in summer, the dead branches dotted with wild red dates in autumn and the river hibernating under thick ice in winter.

The river is like a belt, stringing together the memories of my youth to form a chain. Now I'm going to show you a bead.

When the sun dyed the sky red, we set off. The air still smells of summer heat. The light of the sun is getting darker and darker, like a peony that is closing. When it silently shrinks into a bud, the forest has been dyed black. A cool breeze blew away the summer heat. Stepping on the still wet grass, accompanied by cicadas, we walked deep into the Woods.

It's getting dark, and several electric lights are on in the distance. We also turn on the flashlight and shine it on a tree. I found a big tree, swept it with a flashlight, and then looked for the young creature among the weeds beside the roots. Sometimes I see a cicada larva crawling slowly from the ground, so I reach out and grab it. At this time, cicada larvae feel soft and brown. It makes your hands itch. I have to put it in my bag quickly. At this time, there is always a joy of harvest in my heart. Cicada larvae are sometimes very clever. It often climbs to the branches to confuse the captors, but once this trick is seen through, it immediately changes its strategy and "sleeps" on the back of the leaves. You may have seen it, but when you saw it shaking with the leaves, you thought it was a cicada and let it go. The last thing I want to see are those guys who climb very high. They often make you feel reluctant to give up, but you can't climb that tall trunk, so you have to find a branch and knock it off. At the moment when my branches touched cicada larvae, I quickly shone the lamp on the ground and bent down to look for it in the grass. However, this is often in vain. Every time another cicada larva escapes from my sight, I always regret myself.

Now I go home once a week, and I always pass by the river on my way. The big trees by the river have disappeared, leaving only the empty white stumps. There are no more fish in the river, which is filled with dead air and horribly black.

Because some people blindly pursue their own self-interest, the disappearance of lovely rivers is inevitable. From now on, this river will always be a green land in my memory.

The river in my hometown.

There is a river in the north of the town where I live, which flows from the northwest around the city to the southeast. That is the well-known Jingchang River around me. There is a sad legend about this river.

According to legend, Jia Fu, General Liu Xiu, Emperor Guangwu of the Eastern Han Dynasty, attacked the mausoleum in the northeast of the city. Jia Fu was injured and his abdomen was broken. Jia used the river to wash his intestines, then jumped into his stomach and fought again. Then cut the tomb and die heroically. In memory of General Jia Fu, the common people later renamed the whole river Jingchang River.

Ten years ago, the Jingchang River was still a beautiful river, with clear water flowing quietly and fish swimming freely in the river. The most interesting thing is that in summer, girls and beautiful women who wash clothes line up near the flooded bridge (hence the name). Not far from the bridge, children are playing in shallow water, and colorful clothes are drying on the grass by the river. The weather in midsummer is stifling, and the Jingchang River has become a good place for people to enjoy the cool at night (there was not so much air conditioning at that time). A small river is divided into two areas: the north of the bridge is a man's world and the south of the bridge is a woman's world. Occasionally, a man tried to lean in, and the impolite laughter and scolding of the ladies forced him back. In the river, adults shout and children shout happily, which is very lively. The clear river washed away people's sweat stains, and happy people threw the fatigue of a day's work into the river.

In the evening, my husband and I took our son and a flashlight to play by the downstream river near our home. Small fish swim in the shallow river under the light. When there is light, fish will climb there, which is very interesting. Lights are flashing in the Woods by the river, and crowds of people are looking for "crawling" (cicada larvae). We also join in, or we may find small "crawling" on the roots or trunks, one surprise at a time. Sometimes I can catch twenty or thirty at night and fry them with onion, ginger, oil and salt. It's delicious.

Jingchang River, a beautiful river, has brought many childhood joys to my children. We look for beautiful stones in Qingshui River, catch fish and play in the river, dig out river crabs in small holes on the shore, and sit on the residual dam and fish in cans. Once my son and I found a bunch of Lycium barbarum vines by a steep river. We were very excited. We climbed up and down and picked a lot of red Lycium barbarum. We went back and made two bottles of medicinal wine for grandpa. Very appreciated by the child's grandfather. Jingchanghe is the best place for me to rest after my busy work, and Yang Shulin by the river is also the place where I often prepare for the self-taught exam. Breathing fresh air and reading silently are my most enjoyable enjoyment. At that time, the lower reaches of the Jingchang River were also places for many people to exercise and relax. It's a pity that the clear river water has become turbid due to the wanton dumping by some people on both sides of the strait, and gradually the water in some river sections has become black and smelly. The river is full of shrimp nets and people carrying fish traps, as if to kill all the fish and shrimp in the river.

However, the local government is also trying to beautify the Jingchang River. They invested heavily in repairing the upstream river embankment, building rubber dams to store high water levels and greening the banks of the upstream Jingchang River. Nowadays, on both sides of the Jingchang River, graceful weeping willows, lush sculptures with different shapes inspire people to live a hard life. The Shuanglong pearl, transformed from abandoned chimneys, has become a beautiful scenery along the river. Every morning, people in twos and threes walk, run or punch in along the river. In the evening, several old people were singing by the river, and many people around them were listening and having a good time. Jingchang River has become a beautiful landscape in a small county.

I occasionally passed by the Jingchang River a few days ago, and the water level of the river was low and even more turbid. However, the newly planted young trees along the river have become forests and lush, putting on new clothes for Jingchang River, and I seem to see new hope. ...

1, Global Warming and Urban "Heat Island"

Global warming will cause changes in precipitation, dry and wet conditions in various regions of the world, and then lead to changes in the economic structure of countries around the world. Mid-latitude areas will become dry due to the intense evaporation caused by climate warming, and now the developed agricultural areas will degenerate into grasslands; High latitudes will increase precipitation due to warming, and temperate crops will be able to settle here. But as far as the world is concerned, the negative impact of climate warming on the world economy is major, and only some local areas benefit.

The temperature in the city is much higher than that in the suburbs, just like a warm island. Beijing, the largest city in China, is 9.6 degrees higher than its suburbs, and the maximum temperature difference between Shanghai and its suburbs is 6.8 degrees. The reason of urban "heat island" effect is that urban population is concentrated and increasing, and industry is developed. Residents' life, industrial production and automobiles consume a lot of fuels such as coal, oil and natural gas every day, releasing a lot of man-made heat. Another reason is that buildings made of concrete, stone and brick and sidewalks, sidewalks and squares made of asphalt, cement, ceramics and stones have replaced the natural ground covered with vegetation and crops. They have low reflectivity, high heat capacity and absorb a lot of solar energy.

2. Rapid extinction of species

Due to the influence of human activities, especially people's deforestation and reclamation of grasslands, and environmental pollution, it has caused wildness.

The loss of animal and plant habitats and the deterioration of living environment, coupled with people's indiscriminate hunting of wild animals, have made many kinds of wild animals and plants in the world extinct or endangered.

The Red Alert List of Endangered Species published by IUCN 1996 shows that 24% of the existing 4,500 mammals in the world are facing extinction, while 12% of the existing 9,500 birds are about to become extinct. Of the 65,438+0,000 known woody plants, about 6% are endangered, of which about 65,438+0,000 are endangered. Every 24 hours, 150 ~ 200 biological species bid farewell to the earth forever. According to the data, the extinction rate of species on the earth is faster than the formation rate1100,000 times. China is a country rich in wildlife resources, but the biodiversity of China is facing a serious threat. Among angiosperms, 1000 species are endangered and 28 species are extremely endangered. Among gymnosperms, 63 species are endangered, 14 species are extremely endangered, and 1 species is extinct. 433 species of vertebrates are threatened.

3. The world's water resources are seriously inadequate.

With the rapid growth of the world population, the increase of water consumption and the increasingly serious water pollution, many people can own it.

The utilized fresh water resources have been destroyed. At present, 60% of the world faces water shortage, 20% of the population has difficulty in obtaining clean water and 50% of the population has no access to sanitary water. Many countries are short of water. In recent years, the United States, Japan and many countries in Eastern Europe have experienced the problem of water shortage. Even in Russia and Canada, which are rich in fresh water resources, some areas are facing the threat of water shortage. Some countries in Africa have been suffering from drought for years, and water shortage directly threatens people's survival. It is predicted that the water crisis will become the "most controversial issue" in cities in 2 1 century.

4. Global environmental issues

Environmental problems are not only the problems of a country or a region, but also have developed into global problems. When an environmental problem occurs in a region, its influence will often greatly exceed that of the region. For example, with the movement of the atmosphere, acid rain can affect far away areas; The pollution in the upper reaches of international rivers will affect the whole basin ... The problem of environmental pollution is becoming more and more serious, and waste gas, waste water and even solid waste can be transferred from one country to another. Some environmental problems even affect the survival and development of all mankind. For example, the destruction of the tropical rain forest in the Amazon basin will have an impact on the global climate; The increase of carbon dioxide concentration in the atmosphere and the destruction of the ozone layer threaten all mankind.

5. Resources in China

As far as the total amount of natural resources is concerned, the total amount of various natural resources in China ranks in the forefront of the world, which is a vast territory and abundant resources.

A country rich in resources. However, China has a large population, and the per capita possession of various resources is very small. The relative shortage of per capita resources is the basic national condition of resources in China.

The cultivated land area of China ranks fourth in the world, and the per capita cultivated land is only1/3 of the world average. The forest area ranks sixth in the world, and the per capita forest possession is only equivalent to1/5 of the world average; The total reserves of mineral resources in China ranks third in the world, and the per capita possession is equivalent to 3/5 of the world's per capita value ... And with the increasing population of China, the per capita possession of various resources will continue to decline. The relative shortage of per capita resources has become a restrictive factor for China's economic development and the improvement of people's living standards. China's resources are still characterized by unbalanced regional distribution. For example, China has more water resources in the south and less in the north, but less arable land in the south and more in the north, which is not conducive to the development of agriculture.

6. Air pollution

Scientists have found that at least 100 kinds of air pollutants are harmful to the environment, especially to human health.

There are also sulfur dioxide, nitrogen oxides, carbon monoxide, hydrofluorocarbons and so on. Serious harm of air pollutants

Environmental protection composition

It's also my blue sky

Ancient poets wrote about the sky, "there is no dust in the sky"; The sky written by modern writers is "the blue sky is spotless and crystal clear".

Unfortunately, it is rare to see such a beautiful "day" now. Especially in cities or industrial areas, it is really uncomfortable to be shrouded in smog all day. In the face of all this, you may be tempted to sigh: "Fresh, refreshing and clear breath, where have you been?" Hurry up and cure the "disease" of the atmosphere, and give me a blue sky and a red sun! We really have a lot of things to do, and the most important thing is to try to reduce the discharge of pollutants. Smoke and dust are mainly produced by the endless combustion of coal and oil. By improving the combustion mode, the fuel can be fully burned, and the smoke can be greatly reduced.

Try not to burn loose coal, develop coal gasification and liquefaction, and reuse the fuel containing a lot of ash and sulfur after washing. The pollutants produced should be recycled by absorption, catalysis, adsorption and condensation, so as to turn harm into benefit and reuse.

Even pollutants entering the atmosphere, we should try our best to reduce their harm. We should strengthen the greening of the city, plant more flowers and trees, and open up more parks and avenues.

From the point of view of preventing global warming, to control the growth of greenhouse gases, especially carbon dioxide, we should try our best to use natural gas as fuel. If we can cancel the small chimneys of one household, provide central heating or implement power supply and heating cogeneration, we can save fuel and reduce carbon dioxide emissions.

If the secondary utilization of aluminum in the world is doubled on the existing basis, the pollutants discharged into the atmosphere can be reduced by 6,543,800 tons per year. There are more than 400 million cars in the world, which emit about 654.38+83 million tons of carbon dioxide every year. In order to reduce the greenhouse gas emissions of automobiles, besides limiting the number of automobiles, saving fuel consumption and installing purification devices, cleaner fuels such as methanol and ethanol should also be tried to develop public transport vehicles and electric vehicles. Finally, the development and utilization of clean new energy is the most fundamental way to reduce air pollution. Such as nuclear energy, solar energy, wind energy, biomass energy, geothermal energy and other energy sources are clean, rich in reserves and have great development prospects.

The destruction of the ozone layer is a global problem. The United Nations Environment Assembly decided that the production of chlorofluorocarbons, the "culprit" that destroys the ozone layer, will be phased out at the end of 1995. However, the life span of HCFCs is 50- 100 years, and150,000 tons of HCFCs have been lost to the atmosphere. So far, only a small part has destroyed the ozone layer, and most of the rest are still in action. The ozone layer will continue to be destroyed and will reach its peak in the first 10 year of the next century. As for the complete return to normal natural level, it will take at least a century!

Air pollution is caused by human activities, and finally it has to be solved by human beings themselves. It's just time waits for no one. We'd better take resolute action from now on and take measures to purify the air and give me back my blue sky!