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Global warming

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Introduction

The Dynamic Earth. The Global Warming. I think that everyone of you have heard about the global warming, but if not, I'll tell you. Well, the Earth as an ecosystem is changing, attributable in great part to the effects of globalization and man. More carbon dioxide is now in the atmosphere than has been in the past 650,000 years. This carbon stays in the atmosphere, acts like a warm blanket, and holds in the heat - hence the name 'global warming.' The reason we exist on this planet is because the Earth naturally traps just enough heat in the atmosphere to keep the temperature within a very narrow range - this creates the conditions that give us breathable air, clean water, the weather we depend on to survive and this is called the greenhouse effect. The greenhouse gases trap that heat in the atmosphere. But human beings have begun to tip the gas balance. We've overloaded the atmosphere with carbon dioxide and it makes greenhouse effect much stronger. ...read more.

Middle

But if temperatures continue to rise over a longer period of time, then the Earth may experience some problems.) Average global temperature has increased by almost 1�C over the past century; scientists expect the average global temperature to increase an additional 2 to 6�C over the next one hundred years. (This may not sound like much, but it could change the Earth's climate as never before.) It is important to understand that scientists don't know for sure what climate change will bring. Some changes brought about by climate change will be good. If you live in a very cool climate, warmer temperatures might be welcome. People in the area may be able to grow more food and may have enough to eat. But it is also true that changes in some places will not be very good at all: * Climate change may alter the world's habitants and ecosystems. A rapid change in climate could upset this balance and seriously endanger many living things, because plants and animals may not be able to react quickly enough to survive. ...read more.

Conclusion

Well, I think that you all have a question now - "Can we stop global warming and how can we do this?" And the answer is... Yes! We can change this situation. * When do you send greenhouse gases into the air? Whenever you ... . use a dish washer . watch TV . turn on a light . use a hair dryer So, I can say one thing - economize electric energy! * Try to use cars less, I mean, try to use less fuel! For example, four people can ride together in one car instead of driving four cars to work. * Talk with your family and friends about climate change. Let them know what you've learned. * Plant Trees! It's fun and a great way to reduce greenhouse gases. Trees absorb carbon dioxide, and greenhouse gas, from the air. * Buy recyclable products instead of non-recyclable ones! * (Solar energy can be used to heat homes, buildings, water, and to make electricity. Take advantage of the sun's energy!) Remember - living is good, living green - even better! ...read more.

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