Pesticides: Benefits and Drawbacks

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Presentation transcript:

Pesticides: Benefits and Drawbacks Arya Nikjoo, Kaylen Jackson, Brandie Monreal, Annie Lindsey

A pesticide is any substance or mixture of substances intended for preventing, destroying, repelling or mitigating any pest. May be a chemical substance, biological agent (such as a virus or bacterium), antimicrobial, disinfectant or device used against any pest. What are pesticides?

Examples and Uses Cockroach sprays and baits Insect repellents for personal use. Rat and other rodent poisons. Flea and tick sprays, powders, and pet collars. Kitchen, laundry, and bath disinfectants and sanitizers. Products that kill mould and mildew. Some lawn and garden products, such as weed killers. Some swimming pool chemicals. DDT- kills disease carrying insects/plant harming insects. Examples and Uses

Pollution - Point-Source Pollution: contamination coming form a specific place (pesticide spills, wash water from cleanup sites, poor disposal) -Nonpoint-Source Pollution: contamination coming form a wide area (drifting through air, running off waterway). Drawbacks

Drawbacks Health -irritation of the skin and eyes - affects the nervous system - reproductive problems - can cause cancer Drawbacks

Economic: -Can increase the amount of food that can be grown in many parts of the world. -$18.2 billion annual loss in the US without pesticides. -Increased yields and profits for farmers. Benefits

Benefits Health: -some problems can be controlled through their use -prevent insect-borne diseases. Has made farming less labor intensive. Food is cheaper. Benefits

http://www.youtube.com/watch?v=MkkD SKj1kbI&feature=related

In 2002 1.1 billion pounds of pesticides were used by 90% of households in the United States. There are more than 1,055 active ingredients registered as pesticides,which are put together to produce over 16,000 pesticide products that are being marketed in the United States Nifty Facts

"Pesticides | US EPA." US Environmental Protection Agency. Web. 20 Apr. 2011. <http://www.epa.gov/pesticides/>. Environmental Science a Study of Interre. Gardners, 2004. Print. Bibliography