| Focus of Green Cities | Balancing nature and urban life, reducing pollution, conserving resources, and growing economically. |
| Key Features | Parks, trees, clean air, sustainable living practices, clean energy, and public transport. |
| Top Green Cities | Oslo (Norway), Copenhagen (Denmark), Singapore, Vancouver (Canada), Zurich (Switzerland) |
| Oslo | Green buildings, emission-free public transport by 2028, renewable energy, reduced car usage. |
| Copenhagen | Bicycle capital, green roofs, wind energy, water management systems, reduced carbon emissions. |
| Singapore | "City in Nature" plan, vertical gardens, parks, green roofs, solar power projects. |
| Vancouver | 100% renewable energy target, eco-density, strong recycling system, sustainable lifestyles. |
| Zurich | 90% renewable electricity, excellent public transport, low carbon footprint. |
| Vilnius, Lithuania | European Green Capital 2025, smart technology, citizen involvement, practical sustainability. |