Hong Kong to Shanghai
Hong Kong to Shanghai is the fifth most popular flight in the world, with over 12,000 passengers flown between the two airports each day. The flight takes around 2 hour and 35 mins resulting in 228.3kg of CO2e of passenger being produced. There is a distance of around 1255km between the two airports, resulting in an average 0.18kg of CO2e per km per passenger. If you drove this distance in an average petrol car then it would produce around 218.7kg of CO2e and an electric car would only produce 71.8kg of CO2e.