What are some examples of companies that have successfully integrated sustainability into their business models?

There are many companies that have successfully integrated sustainability into their business models. For example, Patagonia is known for its commitment to environmental sustainability, and has implemented a number of initiatives to reduce waste and promote environmental conservation. Similarly, Unilever has set ambitious sustainability goals, such as reducing its environmental footprint and improving the livelihoods of workers in its supply chain. And Tesla has built its entire business around sustainable energy, with a focus on developing electric cars and solar technology.