Metro Canada: The already high price of gas – nearly $1.50 yesterday – will rise 2.4 cents a litre tomorrow when North America’s first carbon tax comes into effect. The controversial tax aims to shift consumer behaviour toward lifestyles and activities that don’t pollute. And while environmental groups have called it a powerful economic incentive against climate change, B.C.’s New Democrats say it’s unfair to working families and have even launched a campaign to “axe the gas tax.” NDP …