World's Biggest Pork Producer Pledges To Cover Manure Ponds
Smithfield Foods says it will pay farmers to cover their manure ponds with plastic on more than 1,000 U.S. farms. Those "lagoons" have become increasingly controversial.
Đọc tiếp trên NPR
October 30, 2018 at 12:22AM
Environment
Thứ Ba, 30 tháng 10, 2018
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