Copper Sulfate is toxic to birds, mammals, insects, etc. It has a lower LD50 than glyphosate. https://geneticliteracyproject.org/2018/03/20/far-more-toxic-than

Copper Sulfate is toxic to birds, mammals, insects, etc. It has a lower LD50 than glyphosate. https://geneticliteracyproject.org/2018/03/20/far-more-toxic-than-glyphosate-copper-sulfate-used-by-organic-and-conventional-farmers-cruises-to-european-reauthorization/ https://geneticliteracyproject.org/2018/03/20/far-more-toxic...