detailed please

Mass transit is one solution that has been recommended to lessen the amount of greenhouse gases we emit by reducing the number of cars and trucks on the road. High-speed mass transit could reduce the use of airplanes, which also emit greenhouse gases. The Maglev train is one option. 1. Research the operational Maglev train in Shanghai and collect information on the benefits and disadvantages. 2. Research conventional trains and collect information on the benefits and disadvantages. 3. Research future projects that plan to use Maglev technology