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We all need transportation to get from one place to another using cars, buses, trains, bicycles, or even our feet. All of these modes
of transportation use energy sources like oil, electricity, or our
own bodies. Most use fossil fuels that can pollute the air and harm ecosystems. To move our vehicles around, we also need to build roads, sidewalks, bridges, interstates, and bike lanes. All of these things are part of the built environment. Building them requires more energy and resources. We can help protect the Earth by using efficient transportation.
