Nowadays, the environment has been polluted badly, the government tries hard to call for the public to return the world green.

Nowadays, the environment has been polluted badly, the government tries hard to call for the public to return the world green. But every year, there are so many incidents about the forest on fired. It is so sad for us, because it means the environment gets worse. We must pay attention to protect the forest and do not bring fire. 
如今，环境已被严重污染，政府努力呼吁公众归还世界绿色。但是每年都有很多关于森林火灾的事件发生，这让我们感到很难过，因为这意味着环境变得越来越糟糕。我们必须注意保护森林，不要引发火灾。