Now, our side of the car constant more up, the environment also increasingly worse!

现在，我们的汽车尾气越来越多，环境也越来越糟糕!

The environmental protection is the most major problem which in the modern life the humanity faces.

环境保护是人类面临的最大问题之一。

Do something to protect the environment. Protecting the environment is our shared responsibility.

做些什么来保护环境。保护环境是我们共同的责任。

In recent years there has been a marked growth of fire accidents in big cities of our country.

近年来，我国大城市的火灾事故显著增加。

The protection of the environment is everyones responsibility!

保护环境是每个人的责任!

这些开头旨在引起读者的注意，并简要介绍保护环境的重要性。您可以根据具体写作内容和目标读者选择合适的开头。