Italy's government gave final approval on Wednesday to the construction of what will be the world's longest single-span bridge, linking Sicily to the mainland, despite environmental, financial and other concerns that have delayed it for decades.

The government says the road and rail link will create jobs and lift the economy of the region, but critics are concerned about the environmental and social impact.

Italy gave the final approval on Wednesday to build what would be the world's longest suspension bridge, connecting Sicily to the mainland, despite concerns including earthquakes, environmental impacts and the threat of mafia interference.