Preserving pollinators is good for health -- and income

Wild pollinators like this bumblebee are integral to farmers' livelihoods and nutrition. Tom Timberlake hide caption toggle caption Tom Timberlake Nature clearly benefits human health. Research shows how trees clear the air, wetlands filter water and insects pollinate food. But moving beyond these generalities to specifics is hard, says Thomas Timberlake , an ecologist at the University of York. …