KANSAS CITY, Mo. (AP) — A butterfly being considered for federal protection is emblematic of the plight pollinating insects face partially because farmers enticed by ethanol mandates grow more herbicide-resistant crops.
Crop herbicides play a role in shrinking monarch population
source U.S. News - News http://ift.tt/1Dmi9sf
Crop herbicides play a role in shrinking monarch population
source U.S. News - News http://ift.tt/1Dmi9sf
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