It was a snow emergency in Boston on Tuesday, but The World's newsroom team braved the weather, coming to work on snowshoes and skis to deliver the day's news.
In recent years, Canada has quietly become the largest exporter of energy to the US and some Canadians aren't so happy about the environmental consequences for their country. Brian Mann reports on the emergence of Canada as an energy superpower.
Four hundred years ago, Henry Hudson set sail from England in search of riches. He ended up stranded in the treacherous waters that are now known as Hudson Bay. A look at the travels and travails of Henry Hudson, and some modern day intrepid Arctic explorers who are following his trail.