We live on the Earth. The Earth is a beautiful place. There are rivers, oceans, land and forests. There are many different plants and animals too.
我们住在地球上。地球是一个美丽的地方。有河流、海洋、土地和森林。还有很多不同的植物和动物。
People. Plants and animals need clean water and air. Sometimes people throw rubbish into rivers and oceans. Sometimes people cut down too many trees. Smoke from cars and factories makes the air dirty. The Earth gets sick.
人、植物和动物都需要干净的水和空气。人们有时向河里和海里扔垃圾，有时砍倒很多的树。汽车和工厂排出的烟污染了空气。地球生病了。
Now people work together to keep the Earth clean and healthy. They pick up rubbish. They plant trees every year.
现在人们一起努力使地球恢复干净和健康。他们捡垃圾。他们每年都植树。
They recycle glass and paper. They bring their own shopping bags and stop using plastic bags.
他们回收玻璃制品和纸。他们携带自己的购物袋儿，不再使用塑料袋儿。