Did you know Canada.. it was Harry Wasylyk (from Winnipeg, Manitoba) & Larry Hansen (from Lindsay, Ontario) who invented green garbage bags!
It was after the Second World War when Harry began experimenting with a then new material, polyethylene (invented in 1942). He first supplied them to Winnipeg General Hospital to line their garbage bins.
Larry Hansen worked for the Union Carbide Company in Lindsay, Ontario, who bought the invention. Union Carbide then manufactured the first green garbage bags under the name Glad Garbage bags for home use in the late 1960s.
Source: Library and Archives Canada