There is no one-size-fits-all formula for sustainable design, as each project has its own specific requirements, constraints, and opportunities. However, architects need to consider some general principles when problem solving. Integrating sustainability from the start and involving all stakeholders in the decision making process is key. It's also important to analyze the site and context to understand the natural and cultural features of the area, and use this information to inform design decisions. Optimizing performance and efficiency is also essential; use passive design strategies such as solar shading, natural ventilation, thermal mass, and daylighting to reduce reliance on mechanical systems and artificial lighting. Active systems such as renewable energy sources, water harvesting, and waste management can be used to supplement the passive ones. Additionally, choose materials that are durable, recyclable, renewable, and low-impact while avoiding toxic and harmful substances. Finally, designing a building that is flexible and resilient enough to accommodate different functions over time is important. Consider potential impacts of climate change such as extreme weather events, sea level rise, and temperature fluctuations when designing the building. Plan for the end of life of your building too; how it can be dismantled, reused or recycled.