Research paper

　　Pollution is the introduction of contaminants into the natural environment that cause adverse change. General pollution is divided into water pollution, solid waste pollution, noise pollution, visual pollution, etc. Brazil is one of the most polluted countries. Pollution is dangerous and can hurt people's health, if do not solve the problem, the Earth will be demise soon.

Water pollution refers to any substance put into the water causing the ecological environment to change state. "It's unclear how big a polluter the naturally occurring tar pits have been. Still, the release of pollutants has cost the county money." (Song, Jason, and Tony Barboza.) The efficient collection and treatment of sewage, so as not to affect environmental health.Cleansing is the root cause of pollution.

Solid waste by source can be broadly divided into the garbage, general industrial solid waste and hazardous waste three. "If we lived in the Middle Ages, trash would be scattered and piled on the streets just outside our homes. Fortunately, we live in times that are much more civilized." (Jennifer Sellers) Never throw rubbish away anyhow. Always look for the correct waste bin. If there is none around, please take it home and put it in your trash can. This includes places like the beach, riverside and water bodies.

Noise  pollution on the human body the most direct harm hearing damage. Strong noise environment, exposed for a period of time, you will feel the ears uncomfortable, even noise pollution to be a headache and feeling. "Human noise can change the structures of animal and plant communities in wilderness areas. The study of soundscape ecology indicates that pollinating and seed disseminating animals rely on sound to properly distribute flora in natural ecosystems." (Alfonso Stefanini) Enhance greening and afforestation in the complex on both sides of the road, forming a barrier and go to Additions soundproofed.

In recent years, the Earth continues to have natural disasters. It is a warning of nature to human beings. If people go on like this,  the earth will give mankind a more severe punishment, It is possible to make us lose the only home. We must care about that before it is too late. So we have to take good care of our homes including  the little things around our homes and can sustain lasting. Let our homes more beautiful. Accelerate the phase-out of high-polluting vehicles. Buy low exhaust pollution vehicles such as hybrid vehicles, motor car. To turn off the engine while waiting for a long time, and reduces vehicle emissions.


Bibliography

Song, Jason, and Tony Barboza. "Water Pollution Traced to La Brea Tar Pits." Los Angeles Times. Los Angeles Times, 29 Nov. 2011. Web. 16 May 2013.
Jennifer Sellers. "What Are the Challenges of Reducing Solid Waste?" HowStuffWorks. N.p., n.d. Web. 16 May 2013.
Alfonso Stefanini. "The Sound of Pollution." The Rio Times. N.p., 26 May 2013. Web. 16 May 2013.