When we think about pollution, we often think about the toxins in our air, food, and water. However, noise pollution can be just as detrimental to our health.
Many years ago, the city of Amsterdam made a strategic decision to be more people-friendly. That choice is beginning to bear fruit.
The desert rain frog is an intimidating animal. When defending its territory, it will ward off any would-be threats with a ferocious squeak.