 Currently the Airport needs 1,000 hectares of new employment land to handle its growth for the next 25 years; farmland around the airport is the best option available.A report by "Hemson Consulting" says the city will need greenfields the size of the Royal Botanical Gardens on which to locate businesses that will generate an estimated 59,000 jobs by 2031.Aerotropolis, a proposed 1,050-hectare industrial park at Highway 6 and 403, has been a hotly debated issue at City Hall for years.