Do we really need pesticides? - Fernan Pérez-Gálvez

TED-Ed
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Published on Nov 14, 2016

View full lesson: http://ed.ted.com/lessons/do-we-reall...

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.

Lesson by Fernan Pérez-Gálvez, animation by Mighty Oak.

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