Sustainable transportation refers to methods of moving people and goods that are environmentally friendly and reduce our carbon footprint. This includes options like bicycles, electric vehicles, and public transit systems such as buses and trains. By using these alternatives, we can decrease air pollution and conserve energy, making our cities cleaner and healthier. Additionally, sustainable transportation promotes the use of renewable energy sources like solar and wind power. It encourages urban planning that prioritizes walkable neighborhoods and bike lanes, making it easier for people to choose eco-friendly travel options. Overall, sustainable transportation aims to create a more efficient and responsible way to get around.