There are many kinds of pollution around us, such air pollution，soil pollution， noise pollution and light pollution, They are bad for our (healthy) in many ways.

    Burning gas, oil and coal creates air pollution. It can cause sore eyes and (breathe) problems.

    With the increase of pollution and the (develop) of industry， litter is everywhere. It makes our environment dirty. People put lots of rubbish in the land. Farmers use too many chemicals in the fields. They destroy the soil, soil pollution has became serious.

    Noise pollution can make people deaf. For example, people may lose their hearing they work in a (noise) place for a long time. Too much noise can cause high blood pressure as well.

    Working for long time in strong, changeable light may cause some kinds of (ill). It makes people feel terrible and is especially bad for the eyes.

    With (little) pollution, our planet will become greener and our health will be better. Let's be greener people.

    Each one of us shares this planet with seven billion others. And we all need 1. People and products need to move from city to city and country to country. However, we all know 2 most cars, motorcycles, boats and planes cause air pollution. They are also 3.This is a serious problem in many cities.4 inventors are coming up with creative ideas to try to reduce the pollution and noise.

    In many cities around the world, motorcycles are very 5. Now Vietnam has around 33 million motorcycles and China has almost 120 million. Motorcycles are a faster and cheaper way to get around a city than 6. Yet air pollution is a growing problem. In large cities, people7it is difficult to breathe. To solve these problems, a US company designed an environmentally friendly motorcycle. It uses electricity as fuel (燃料). As a result, there is 8 pollution. It's also quiet and fast. This makes 9 a good choice for getting around a city.

    The Italian city of Venice is a city with only a few 10. There are no cars in the city center,11 cars, water taxis and buses carry people along the city's canals (运河). However, they cause pollution, 12 to the water. English engineers Dick and Jim designed a solar –powered(太阳能) water taxi. The water taxi 13 run for a day after being recharged(重新充电). Planes also cause air and noise pollution. Designing an environmentally friendly airplane is a real 14. Some airplane companies have 15 to solve the problems. Swiss engineers have gone one step further. They developed a solar airplane. This plane holds the world record for the longest solar-powered flight-1,541 kilometers from Arizona to Texas in America.

How much did you all these things?

Don't forget to take photos when you are the mountain.

It is time for me .