PBS NewsHour

Increased immunity in weeds may threaten U.S. crops

Clip: 11/15/2014 | 8m 9s

NewsHour Weekend traveled to Iowa to explore the widespread issue of herbicide-resistant and hard-to-control weeds. Millions of acres of farmland have been affected, rendering some fields unable to be farmed.The EPA recently approved a new Dow herbicide that the industry says could help the problem. Opponents have sued claiming it could possibly harm the environment and human health.

Aired: 11/15/14

Rating: NR

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