风能是一种环保的可再生能源。

Wind power is a ___renewable energy source that is environmentally friendly.

使用可再生能源对于应对气候变化至关重要。

The use of ___renewable energy sources is essential for combating climate change.

水力发电是一种来自流动水资源的可再生能源形式。

Hydropower is a ___renewable form of energy derived from flowing water.