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Võ Hữu Hùng
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Lina Minh Linh
1 tháng 5 2019 lúc 9:45

As you know, sources of energy like solar energy, wind energy,.. are very important. People use them for many things:cooking, heating,ect...But, almost the sources of energy have the disadvantages and advantages. There are two kinds of energy:non-renewable and renewable energy. Non-renewable is very popular in many countries. They are abundant, available and easy to use. However, they won't last forever and they're harmful for the environment. And, people will use renewable energy to solve the problems of non-renewable energy. Renewable sources of energy are forever and they're clean and safe, too. Nevertheless, they have some problems, too. For example, nuclear is clean but it's dangerous to use. Wind power has many advantages but it isn't available,... On the other hand, there are some sources of energy don't have some serious problems like solar energy. It's the reason why people use solar energy in the future. So, what should we do to save energy? We should use them properly and use them less. We should use less cars or motorbike, too. It also have the enviroment. Energy is very important, we should protect them for our life in the future.

Nguyễn Phương Linh
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Hoaa
26 tháng 4 2018 lúc 12:03

Renewable energy describes a collection of energy technologies i.e. solar, wind, geothermal derived from sources that are never-ending and can be replenished time after time. Most countries across the world heavily depend on fossil fuels (oil, coal andnatural gas) as sources of energy to power their economies.

Fossil fuels are non-renewable forms of energy, meaning, they utilize limited resources that will ultimately deplete, hence, driving up overall energy costs. These very countries have responded to the threat by stepping up campaigns to embrace renewable forms of energy like solar and wind

ADUA
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Hiếu Thanh
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Con sì ke bất tử
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nguyen hoang phuong anh
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Lạc Hoàng Khánh Ly
4 tháng 7 2018 lúc 22:13

rewable:wind,solar enery,hydro,nuclear,biogas...

non rewable:coal,oil,natural gas...i think people will use it more in the future

Trâm Bảo
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Nguyễn Hoàng Nhật Anh
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Nguyễn Minh Đức
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ngô hoàng anh
22 tháng 5 2018 lúc 12:27

topic1

1.Walk or ride your bike whenever possible. One of the best things you can do to help stop pollution is to stop using your car for short trips. If the weather is nice and you don’t have too far to go, consider walking or riding your bike. You will help reduce air pollution and you will get some exercise and fresh air in the process

2.Use public transportation. Riding the bus, train, or subway is another great way to avoid using your personal vehicle and reduce carbon emissions. If you have access to good public transportation where you live, take advantage of it. Since you won’t have to worry about keeping your eyes on the road, you can take advantage of the time to read, catch up on news, or just relax.