America’s butterfly populations have plummeted by 22% in just two decades, according to a landmark study published in Science. This significant decline means that for every five butterflies present in 2000, only four remained by 2020. “This is a wake-up call. People should be seeing this number and being very, very concerned, not just about butterflies, but about the state of insects in general,” says Eliza Grames, a conservation biologist at Binghamton University and co-author of the study. The research represents the most comprehensive analysis of butterfly populations in the United States to date. Scientists compiled data from 76,957 surveys … Continue reading US Butterfly Populations Plummet 22% Over 20 Years