Our planet is in danger. Many people begin to realize it. They think about the problems connecting with our Earth. There are really great priblems-air pollution, water pollution and many others. Animals and plants are in danger. Animals can not live as people cut down the forests. Water pollution is a terrible thing for people, animals and plants. The water in our seas, rivers and oceans is really dirty. The air is not fresh and clean so people have problems with their health. The temperature on the Earth is growing. So the problem is to protect our planet. People must understand it and do everything to save the Earth