Why do you think there is a growing interest in the idea of creating sustainable urban environments? It's important to create a sustainable environments because of the need for transit is more beneficial, affordable to commute to workplaces and school. How do mass transit modes of transportation such as BRT travel impact environmental sustainablility? BRT travel impacts environmental sustainabililty because many people will be relying on the bus to commute and create a schedule to arrive on time based on bus arrivals. What are some of the benefits to communitites when they promote alternatvie forms of transporation such as BRT transportation? The BRT transportation is dependable because it is on a running schedule whatever the weather may be.