Climate Central: Carbon emissions from cars, trucks, trains and airplanes are expected to double by 2050 but those emissions could be reduced by half if cities worldwide widely adopt better public transit and electric vehicles, according to a new study released Friday.
The transportation sector is responsible for 23 percent of all human carbon dioxide emissions fueling climate change today, and they could double by 2050 as people in developing countries drive more.
The paper, written by researchers from the...