One million species are threatened with extinction, more than ever before in human history, according to a landmark report released Monday from the United Nations. And humanity is responsible.

“Ecosystems, species, wild populations, local varieties and breeds of domesticated plants and animals are shrinking, deteriorating or vanishing,” said Josef Settele, an ecologist at the Helmholtz Center for Environmental Research in Germany, who co-chaired the new assessment, in a statement. “This l