
For the first time ever, more people live in the world’s cities than in rural regions, and most population growth is occurring in urban areas. This trend points to the need for urban sustainability which uses green building practices and creative city planning to help reduce environmental damage. Cities may seem to be a threat to the environment since they generate more than three-quarters of carbon emissions globally; however, the concentration of so many people and vehicles in one place may also offer a chance to solve problems, whether in transport systems, fuel economy or urban planning.
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