爱护和保护环境是每个人的责任和义务

It's everyone's duty to love and protect the environment.

保护环境，人人有责

Protection of the environment is everyone's responsibility.

拯救地球就是拯救未来

Rescue the Earth is to rescue future.

我们离不开水

We can't live without water.

小心轻放

Handle with care.

如果我们不节约水，那么最后一滴水也许会是我们人类的眼泪

If we don't save water, the last drop of water will be the tear of man.

我们需要保护地球因为它是我们的家

We need to protect the Earth because it is our home.

我们应该阻止工厂生产有害气体

We should stop factories from producing harmful gases.

保护地球，我们唯一的家

Save the earth, our only home.

水对人类来说是非常重要的

As we know, water is very important to man.

这些句子涵盖了环保的多个方面，包括责任、重要性、节约资源等，适合在环保相关的讨论和写作中使用。