Garbage And Recycling (Introducing Issues with Opposing

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This in turn destroys the health of our fresh water streams and ponds by promoting rampant algae growth, which eventually renders the aquatic environment lifeless!!! :( -1943 first DDT produced on large scale, used on fields, forests, and cities. -Natural organic pesticides (botanicals)- extracted from plants, nicotine, rotenone (from roots of debris plants- kills fish), pyrethrum (Chrysanthemum extractions), coniferous oils. -Fumigants- easily dispersed gasses to sterilize soil, prevent decay/rodents/insects harmful to humans- banned [ex: carbon disulfide] -Chlorinated hydrocarbons (organochlorines)- synthetic organic insecticides, toxic and long lasting, banned, blocks nerve signals, [ex: DDT, aldrin] -Organophosphates- lethal, but only for short time period, quickly dissipate, damages nervous system not persistent, low bioaccumulation [ex: DDVP] -Microbial agents & Biological controls- pest control using living organisms [ex: ladybugs eat aphids, parasitic wasps lay eggs in caterpillars] -Disease control- insects that carry diseases are killed, thus decreasing human suffering [ex: malaria via mosquitoes] -crop production- crop loss is decreased by eliminating pest, farmers save $3-5 for every $1 spent on pesticides -other species- sometimes wipe out area of all living organisms [ex: bees die, thus bee keeper profit goes down, and crops not well pollinated.

Pages: 1

Publisher: Greenhaven Press (March 13, 2009)

ISBN: 0737743379

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