This doesn't look like any man-made pollution I've ever seen.

The song appears in the video to be a protest to man-made pollution.

Oil and other man-made pollution changes the structure of ecological communities throughout the entire basin.

Soon after construction the lake's water was considered among the best in the area, but man-made pollution from nearby residential areas has been a concern.

The salt crystals further contribute to the black effect that man-made pollution has on these buildings.

They had their eyes opened to the man-made pollution that was fouling the oceans thousands of miles from land.

The agency said the science pointing to man-made pollution as a cause of global warming is "compelling and overwhelming."

Man-made pollution is raising ocean acidity at least 10 times faster than previously thought, a study says.

So try this one: the chance to make almost certain profit by investing in an industry that creates headline-grabbing, man-made pollution.

While specialists have learned a great deal about man-made pollution, they still know little of the atmospheric role of natural ecosystems.

Man-made pollution appeared to be to blame.

"Almost all the time, we can pick up man-made pollution, sulfate pollution, on our monitors."

The company says the pure water - frozen since before the days of man-made pollution - makes the resulting vodka ultra-smooth.

In addition, there are other important non-climatic factors affecting fish resources, particularly those of man-made pollution and resource mismanagement.

Aidrin was nearly free of man-made pollution.

Man-made pollution, natural contamination, and water scarcity all affect the provision of drinking water.

Climatologists have said that a combination of natural variability and man-made pollution have caused sea levels to rise around the world.

The long term survival of polar bears is being threatened by man-made pollution that is reaching the Arctic.

"By using our products we can all help in lessening the threat to our environment caused by an increasing amount of man-made pollution."

No, I'm not denying that man-made pollution and other activity have played a role in planetary warming since the Industrial Revolution.

One of the many threats loggerhead sea turtles face is man-made pollution, but the extent of the risk is a question.

The Park Service says that more than 90 percent of the time, scenic vistas in all of the parks are affected by man-made pollution.

That leaves man-made pollution.

The programme aims to reveal how this magnificent creature really works and the threats it faces from man-made pollution and climate change."

These can be caused naturally, by events such as the eruption of volcanoes, as well as by man-made pollution.