A five-year plan hasn’t done enough to save threatened herds, Environment Canada warns. Shawn McCarthy and Ivan Semeniuk examine what’s at stake and what the Trudeau government might do next. Canada’s iconic boreal caribou population faces a troubled future, and the federal government is vowing to act unilaterally if provinces fail to agree on a credible effort to protect the threatened species. In a report Tuesday, Environment and Climate Change Canada said the 51 separate herds across the country remain under pressure from human and natural disturbances to their habitat more than five years after the federal and provincial governments concluded a protection agreement.