All kinds of pollution is extremely harmful for human health, but the one that hardly gets talked about is light pollution.
A spring that has produced clean drinking water for 175 years has suddenly become a polluted health hazard, writes Alan ...
Explore 8 beaches around the world that reveal the devastating effects of pollution on our shorelines. See how human impact ...
Excess nutrients, warmer temperatures, and an increasing population are causing explosions of algae worldwide.