Tag Archives: Monsanto’s Roundup System Threatens Extinction Of Monarch Butterflies – Report

Monsanto’s Roundup System Threatens Extinction Of Monarch Butterflies – Report – 6 February 2015

RT logoMonsanto’s Roundup Ready system – a potent herbicide combined with genetically-modified seeds that can withstand it – has decimated the monarch butterfly’s only source of food in the Midwest, putting it on the edge of extinction, according to a new study.

Biotechnology conglomerate Monsanto’s glyphosate-based Roundup has become the most common herbicide in American agriculture today, used in tandem with the company’s genetically-engineered Roundup Ready crops.

Since its heavy proliferation began in the 1990s, glyphosate has been a leading killer of 99 percent of milkweed in the Midwest’s corn and soybean fields. Glyphosate-sensitive milkweed plants are the only spots where monarchs lay eggs, as the plant is the only food source for monarch larvae.

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