With the increase of cars, the air pollution has gotten worse.

Many rivers have been so polluted that they can no longer be used for drinking water.

This pollution, known as acid mine drainage, contaminates roughly 4,000 kilometers (2,500 miles) of West Virginia waterways. It's a legacy of more than a century of coal mining in the region.

In Cameroon’s port city of Douala, most used cooking oil from hotels and restaurants was once dumped down the drain, where it fouled up plumbing systems and caused pollution.

Bees are insects that fly and sting, gather nectar and pollen from flowers, and produce honey and wax.

This village is free from air pollution.

The biggest climate polluter is the global power sector.

There is no polluted air in our city.

Steve, some think the end of the world is 'nigh', but what do you think?" "Lou, you know there are rapid desertification, vast deforestation, and increasing pollution worldwide, so we can't rule out that scenario!" "Yeah, people are killing our Earth."

According to a Gallup poll, 44% of Americans believe the world is less than 10,000 years old.