求翻译：我们经常被告知世界处于毁灭的边缘。但事实真是这样吗？世界上越来越多的人认识到加强环境保护的必要性。无论车辆多少，必须对废气排放实行控制。保护我们花草和树木等等。这样可以优化我们的祖国是什么意思？

We are often told the world at the edge of destruction. But the fact is that? More and more people in the world recognize the necessity of strengthening environmental protection. No matter how much the vehicle, must be imposed on emissions control. Protect our plants and trees, and so on. So you can optimize our motherland