We must protect environment being polluted increasingly with actual deeds.

我们必须以实际行动保护正日益遭受污染的环境。

It calls for using waste brick as aggregate of concrete to protect environment.

倡导用碎砖做混凝土骨料，保护生态环境。

This day let me know today, we need to protect environment, we won't have this kind of fog day.

今天这一天让我知道了，我们要保护坏境，不会再有这样的雾霾天出现。

The point: If you want to do your part to protect environment (and afford it), you probably can.

本文的观点是：只要你想参与(并能承担相关费用)，那么你就能贡献力量。

Efficient power conversion circuitry can minimize the loss to save energy and protect environment.

高效的功率转换电路把损耗降到最低，节能环保。