Shade balls

Shade balls are small plastic spheres floated on top of a reservoir for environmental protection and to slow evaporation. They are also known as bird balls as when used by airports to prevent birds from being attracted to drainage ponds (and risking collisions with planes).

Shade balls

Shade balls are small plastic spheres floated on top of a reservoir for environmental protection and to slow evaporation. They are also known as bird balls as when used by airports to prevent birds from being attracted to drainage ponds (and risking collisions with planes).