'A sustainable city is one that is economically, environmentally and socially healthy and resilient. It offers a good quality of life to current residents but doesn't reduce the opportunities for future residents to enjoy
a sustainable city:
has low energy consumption
is carbon neutral or has zero carbon
involves communities in local decision making
is built from recyclable materials
reuse, recycles and reduces waste
has more open space and greenery
uses renewable energy technologies (rooftop wind turbines)
has improved public transport
sustainable urban strategies include:
recycling water to conserve supplies
providing green spaces
reducing the reliance on fossil fuels and rethinking transport options
keeping city wastes within the capacity of local rivers and oceans to absorb them, and making 'sinks' for the disposal of toxic chemicals
involving local communities and providing a range of employment
conserving cultural, historical and environmental sites and buildings
minimising the use of greenfield sites by using brownfield sites instead