1 янв 1958 г. - Contributions by Racherl L. Carson.

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After receiving a letter describing the deaths of birds because of the pesticide DDT, she started studying it. Making inquiries from her contacts
¨What has already silenced the voices of spring?¨
1962 PUBLICATION it documented the misuse of chemicals and their toll on nature and human health. It was attacked and defended
She studied and worked until she had to drop out to take care of her family. She got a job writing on marine biology for a radio program anyone could look at

She noticed the evolution of resistant species
She asserted that DDT would accumulate in the environment and make its way back to us humans which would alternate our genes

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