The federal government has halted Ontario's plan to expand Billy Bishop Toronto City Airport, citing environmental concerns and public opposition.

Advocates argue the expansion would cause significant pollution, 'massive destruction' of the Toronto Islands, and increased emissions from additional air traffic.

Environmental Defence executive director Tim Gray emphasized that the project would undermine decades of waterfront revitalization efforts, requiring nearly a kilometre of lakefill for new runways and exacerbating gridlock and emissions.

Federal Transport Minister Steven MacKinnon stated the decision focuses on approved safety upgrades rather than expanding the airport for jet landings, citing over 87,000 public consultations.Ontario Premier Doug Ford's proposal faced criticism for its potential impact on noise, traffic, pollution, and affordable housing.

While the province remains committed to advancing the expansion for economic growth, environmental groups like Reality Check argue the plan would reverse progress in reconnecting Toronto to Lake Ontario.The decision highlights tensions between urban development and ecological preservation in the Golden Horseshoe region.