Canada election: Liberals, Conservatives and NDP ramp up campaign promises as race tightens

On the federal election campaign trails: the Liberals are making climate change promises, David Akin follows Justin Trudeaus 1 billion funding announcement for freshwater research in Quebec. Mike Le Couteur reports on the Conservatives promises on animal welfare and policy towards the oil and gas industry. Plus, Abigail Bimman reports on the NDPs pledge to increase taxes on the wealthiest.