Two national advocacy groups are suing a Sioux City cooperative they say is falsely advertising its honey as pure, despite tests that show it contains traces of glyphosate, used in Roundup, the most widely used farm herbicide in the world.

The Organic Consumers Association and Beyond Pesticides claim that Sioux Honey Association, the 95-year-old cooperative that makes Sue Bee Honey, is misleading consumers by labeling its honey as pure and natural.

The advocacy groups say their lawsuit is more than a labeling dispute — it's an attempt to push retailers and, ultimately, federal agencies to adopt better standards and practices that would protect bees, honey and consumers from contamination from herbicides that are widely applied by farmers.

Read the full article on the Des Moines Register website.