Meeting today’s and tomorrow’s needs requires knowing what we have, what we consume, what will remain and what can be regenerated or replaced. Accurate measurements and accounting of our natural, social and economic capital are essential to moving forward on a sustainable path.
The previous pages explored what sustainable development means and how contemporary societies are trying to implement it. But how do we know if what we’re doing is helping or hurting, or having no effect at all? How do we know that one way of doing or making things is more sustainable than another? That a city, region or country is doing well in terms of sustainable development? How do we calculate today’s ...