PRX - Pieces for Topic: Environment
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Food has become cheaper and more abundant in the last 150 years, largely thanks to technological advances. Irrigation, fertilizer, pesticides, and ...
Bought by KSJD
- Added: Jun 29, 2014
- Length: 22:01
- Purchases: 1
A four-generation dairy farm family continues to care for cows
- Added: Nov 26, 2007
- Length: 10:28
