Every winter, Minnesota beekeeper Steve Ellis visits California with his hives to pollinate almond trees. But starting about a decade ago, he began to see a sharp uptick in annual hive losses, both among his bees and those of most beekeepers he knew.
"What changed in 2006 is the United States started allowing massive amounts of systemic insecticides to be used on crops," Ellis said. "From a pollinator's perspective, they're a nightmare." Read more