TONIGHT AT 10 ON CBS4 NEWS: CBS4 Investigates Death Of A Deputy: A Family's Frustration (Watch Preview)
Growing Lettuce And Fish Together Helps Denver EnvironmentSome believe it's the future of farming because it uses only a fraction of the water. J.D. Sawyer and his wife Tawnya have created a system of grow beds and holding tanks where fish and garden greens thrive in a symbiotic relationship.

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