colony collapse disorder global collapse of bee hives declines 42 percent of colonies collapsed colony collapse disorder 42 percent of colonies collapsed colony collapse 42 percent of colonies collapsed the larger bee crisis 42 percent of colonies collapsed $15 billion Source colony collapse disorder wiping out hives across the country colony collapse disorder Colony Collapse Disorder Colony Collapse Disorder colony collapse disorder wiping out hives across the country 42 percent of colonies collapsed colony collapse disorder wiping out hives across the country