把下面的句子翻译成英语，不能有语法错误1空调和汽车增加，排出大量废气。2森林减少，风沙变大，气候更加干燥。3河流污染，城市供水不足。

把下面的句子翻译成英语，不能有语法错误1空调和汽车增加，排出大量废气。2森林减少，风沙变大，气候更加干燥。3河流污染，城市供水不足。

1，Air-conditioning and automobiles increased, a large number of exhaust gas discharged。

2，Deforestation, sand bigger, drier weather。

3， river pollution, urban water supply shortage.

1As more use of air-conditioner and cars,more polluted gases are emitted.

2The reduction of the forests brings more sandstorm and makes the weather drier.

3More rivers are polluted and less clean water could be supplied for the city.

With the increasing number of air-conditioners and cars, lof of gas has been sent into the air. This leads to the decreasing of forests in area. The wind becomes stronger and the air drier, the rivers polluted and cities lack of water.