The article talks about sustainable development and the importance of different types of capital like man-made, natural, human, and social. It says that to keep progressing, we need to preserve and grow these types of capital. Man-made capital includes things like buildings and machines, while natural capital includes resources like water and forests. Human capital is about investing in education and health. Social capital is about the cultural and institutional aspects of society. The article mentions a study that found good governance is linked to strong civic involvement. It also suggests that measuring different types of capital is key to sustainable development. The focus should be on improving measurement methods rather than arguing about the perfect solution.