温室效应 The Greenhouse Effect
As the development of the society, people want to conquer the environment, they use the high technology to change the environment, when people are satisfied with what they did to the nature, the nature is starting to teach human being a lesson. In the movie The Day After Tomorrow, people were in the great disaster that caused by the greenhouse effect, it just like the end of the world, there was no way for people to avoid such great disaster. The movie reminds people of the result they did harm to the environment, it will revenge people, people have to face the disaster. It is very important to protect the environment, people should get along with the environment.
随着社会的发展，人们想要征服环境，他们使用高科技来改变环境，当人们满足于对大自然所做的一切时，大自然正在开始给予人们教训。在电影《后天》中，人们处于由温室效应引起的巨大灾难中，就像世界末日，人们无处躲避如此巨大的灾难。电影提醒人们由他们伤害自然而引起的恶果，大自然会报复人们，人们不得不面对灾难。保护环境是很重要的，人们应该和自然和谐相处。
温室效应 The Greenhouse Effect
The greenhouse effect is the rise in temperature that the Earth experiences because certain gases in the atmosphere (water vapor, carbon dioxide, nitrous oxide, and methane, for example) trap energy from the sun. Without these gases, heat would escape back into space and Earth’s average temperature would be about 60oF colder. Because of how they warm our world, these gases are referred to as greenhouse gases.
Have you ever seen a greenhouse? Most greenhouses
look like a small glass house. Greenhouses are used to
grow plants, especially in the winter. Greenhouses
work by trapping heat from the sun. The glass panels
of the greenhouse let in light but keep heat from
escaping. This causes the greenhouse to heat up, much like the inside of a car parked in sunlight, and keeps the plants warm enough to live in the winter.
The Earth’s atmosphere is all around us. It is the air that we breathe. Greenhouse gases in the atmosphere behave much like the glass panes in a greenhouse. Sunlight enters the Earth's atmosphere, passing through the blanket of greenhouse gases. As it reaches the Earth's surface, land, water, and biosphere absorb the sunlight’s energy. Once absorbed, this energy is sent back into the atmosphere. Some of the energy passes back into space, but much of it remains trapped in the atmosphere by the greenhouse gases, causing our world to heat up.
The greenhouse effect is important.
Without the greenhouse effect, the Earth would not be warm enough for humans to live. But if the greenhouse effect becomes stronger, it could make the Earth warmer than usual. Even a little extra warming may cause problems for humans, plants, and animals.
Then what we should do sbout greenhouse effect for our earth?Let us think and carry out it.
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