A sustainable city is a type of city that uses resources like energy, water, and food in a way that is good for the environment. This means the city uses resources in a way that won’t damage or harm the environment or the planet. Sustainable cities use resources wisely and try to lower their impact on the environment (like cutting back on air pollution, waste, and carbon emissions). Sustainable cities also focus on having more green spaces, more bike paths and pedestrian walkways, and buildings that use energy more efficiently. Sustainable cities also try to reduce transportation needs by having stores and services close together, making it easier for people to get to places without driving as much.