Troubled Waters: A Mississippi River Story
Farming practices in America's heartland, including excess fertilizers and poor soil conservation, have wrought unintended yet severe consequences on the Mississippi River. Fortunately, farmers, scientists, and citizens are pursuing more sustainable land-use practices that meet ambitious food production goals while ensuring the long-term health of precious natural resources.
Kulcsszó:
Troubled Waters: A Mississippi River Story 2010
mississippi river
agriculture
enviroment
Bell Museum
Troubled Waters: A Mississippi River Story filmek
Troubled Waters: A Mississippi River Story online filmek
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