How can cities be sustainable?

Many people are working towards making heir cities sustainable. A sustainable city offers a good quality of life to current residents but doesnt reduce the opportunities for future residents to enjoy. Key features of a sustainable city includes: 

• Resources and services in the city accessible to all
• Public transport is seen as a viable alternative to cars 
• Public transport is safe and reliable 
• Walking and cycling is safe
• Open areas are safe, accessible to all and enjoyable 
• Wherever possible, renewable resources are used instead of non renewable resources
• Waste is seen as a resource and is…