B.C. environmentalists want Ottawa to take measures to protect mountain caribou, which they consider to be in imminent danger of extinction. The University of Victoria Environmental Law Centre and the Valhalla Wilderness Society have presented a petition to federal Environment Minister Catherine McKenna claiming that all 10 of B.C.’s most southerly mountain caribou populations are at risk.  They’re seeking federal cabinet approval of an emergency order under the Species at Risk Act that would put in place strategies to conserve the populations. …The petition says that a provincial strategy to recover the caribou has failed because the government has refused to curb most logging of the caribous’ old-growth forest habitat and has also neglected to implement snowmobile bans recommended by its own team of biologists.