Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

This saw him map out streets in Canada's growing towns. He died in Montreal in February 1857, aged 86, shortly before his wife.

The result is an interactive map showing how produce flows from U.S. states—which supply 36 per cent and 67 per cent of Canada’s total fruit and vegetable imports, respectively—and 149 other countries ...

This saw him map out streets in Canada's growing towns. He died in Montreal in February 1857, aged 86, shortly before his wife.