By 
Fernan Pérez-Gálvez
 | 
TED-Ed Original

Do we really need pesticides?

Annually we shower over 5 billion pounds of pesticides across the Earth to control insects unwanted weeds funguses rodents and bacteria that may threaten our food supply. But is it worth it knowing what we do about the associated environmental and public health risks? Fernan Pérez-Gálvez weighs the pros and cons of pesticides.

Related tags:

health
public health
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