The world would be a different place if nature had value. Imagine mining companies would have to pay the Earth for everything they would dig up. Now, environmental and sustainable business consultants want to change that by forcing corporate leaders to take stock of the economic impact of how they manage natural resources. By accounting for this so-called natural capital, the advocates hope to see more businesses adopting practices that are both good for the environment and long-term profitability. A first attempt at calculating the Earth’s net worth: $134,000,000,000,000.