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Your search for "pollution" returned 258 results

How Light Pollution Works

science.howstuffworks.com/environmental/green-science/light-pollution.htm

Light pollution is explained in this article. Learn about light pollution.

How China's Pollution Sniffers Work

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Air pollution in China has spurred the training of air pollution sniffers to detect toxic gas. Read more about air pollution detection through smell.

How Ozone Pollution Works

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We want the ozone layer, but we don't want ozone pollution... Good in the atmosphere but bad on the ground? Find out about ozone pollution, how it affects you and what you can do about it.

Air Pollution Kills 5.5 Million Per Year, Half in China and India Alone

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Millions of people die every year because of poor air quality, new international research finds. That number is expected to rise in coming years.

Can air pollution affect heart health?

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Air pollution can negatively effect heart health. Learn about air pollution and its connection to heart health.

10 Possible Solutions to Air Pollution

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Not only do cars produce a large portion of the world's pollution, but airplanes, boats, trucks, trains and buses also contribute to pollution. Is there one magic solution to pollution?

Turning Air Pollution Into Ink

science.howstuffworks.com/innovation/new-inventions/air-pollution-into-ink.htm

HowStuffWorks explores AIR-INK, the result of a process that converts air pollution into ink.

As Light Pollution Grows, Much of Humanity Can't See the Milky Way

science.howstuffworks.com/environmental/green-science/light-pollution-night-sky-worsening.htm

A new 'atlas' of light pollution finds that one third of people on Earth can't see the night sky's most dramatic feature.

Tips for Minimizing Your Carbon Footprint

science.howstuffworks.com/environmental/green-science/minimizing-carbon-footprint.htm

Environmental awareness is at an all-time high. We've moved beyond the message that littering is bad -- today we have Web sites, television programs, documentaries and books examining our impact upon the environment.

What human activities increase carbon dioxide in the atmosphere?

science.howstuffworks.com/environmental/green-science/human-activities-increase-carbon-dioxide.htm

Although a certain amount of carbon dioxide (CO2) occurs naturally in the Earth's atmosphere, there are several human activities that increase levels of the greenhouse gas.

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