Canada considers tough sanctions against Russia if it invades Ukraine
Britain's envoy to Canada says the two countries are co-operating on a tough new set of sanctions against Russia if it invades Ukraine.
Susannah Goshko
Canada's climate leadership will help at UN talks in Glasgow, British envoy says
Britain's new envoy to Ottawa says Canada still has credibility as a reliable partner on fighting climate change despite a domestic rise of greenhouse gas emissions in recent years.