radioactivity) to the environment at a rate faster than it can be dispersed, diluted, decomposed, recycled, or stored in some harmless form.
The major kinds of pollution, usually classified by environment, are air pollution, water pollution, and land pollution.
Great efforts are made to limit the release of harmful substances into the environment through air pollution control, wastewater treatment, solid-waste management, hazardous-waste management, and recycling.
Unfortunately, attempts at pollution control are often surpassed by the scale of the problem, especially in less-developed countries.
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You can help by turning off the lights when leaving your room and not leaving the TV or computer on when you're not using it. Be sure to talk to your parents about carpooling with friends and planning errands so that you can get them all done in a single trip.
This saves money on gas as well, which everyone likes!
According to the World Health Organization, 2.4 million people die each year from air pollution.
Air pollution can be especially dangerous to children living in big cities with bad smog.