Agriculture is America's biggest industry. This productivity, envied around the world, is also depleting the most essential ingredients in farming: water and soil. NOVA looks at the agricultural dilemma, the short term need for profit and long term needs of the land.
सदस्यों द्वारा अपने विचार साझा करने के बाद समीक्षाएँ यहाँ दिखाई देंगी।
अभी कोई संगीत नहीं
साउंडट्रैक जोड़ें