Vancouver Sun: Our son Henrys best friend lives next door to us in Burnaby, but only for a few more months. Five-year-old Xiao Xiao, an earnest little boy with a quick and dimpled smile, is here with his mother, Wei, who is spending the year as a visiting scholar at SFU. Soon Wei and Xiao Xiao will return home to toxic air and a completely different lifestyle in Tianjin, a port city in northern China.
While Henry will continue to breathe clean air, play outside nearly every day and take natural beauty for granted,...