How do you convince individuals, corporations, governments and others that nature’s value stretches far beyond intrinsic beauty to include natural capital — the economic value of goods and services, such as clean air or flood mitigation, provided by the environment? As president and CEO of The Nature Conservancy, one of the world’s largest conservation organizations, Mark Tercek is used to tackling this and other weighty questions on a daily basis. He recently sat down with Ensia to discuss his new book, putting a price on nature and expanding the conservation community.