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by gcheong 3024 days ago
The assertion here by this activist group that the decline is due mainly to herbicides used on GMO crops doesn't seem to hold up on closer inspection:

https://www.washingtonpost.com/national/health-science/why-p...

https://geneticliteracyproject.org/2016/11/04/save-monarch-b...

1 comments

In fact, herbicides are crucial in the fight against one of the major threats facing monarchs.

The invasive Dog Strangling Vine is related to milkweed and monarchs will mistakenly lay their eggs on it, where they fail to mature. It is a very prolific invasive species, and is significantly outcompeting milkweed in many areas.