Monarch Butterflies: The Last Migration by Benjamin Vogt

Monarch Butterflies: The Last Migration

Benjamin Vogt

32 pages first pub 2012 (view editions)

nonfiction nature informative medium-paced
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From 1999-2010, milkweed populations shrank 58% in the Midwest as agriculture adopted genetically modified (GMO) crops that accept mass spraying of weed killer. And from 1999-2010 monarch egg production dropped by 81% in the Midwest. This now thre...

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