When answering this question, you can discuss the environmental impact of current transportation methods, such as cars and airplanes, which contribute to pollution and climate change. You can also talk about whether small changes are enough, or if we need big, significant changes—like switching to electric vehicles, using public transport more, or even redesigning cities to encourage walking and cycling. You might also mention the challenges people face in making these changes, such as cost or convenience, and whether gradual or drastic changes are more realistic.