Natural Capital, the world’s stock of natural resources, is a concept with increasing political and economic traction. Paying particular attention to the role of woods and trees, this debate will explore whether it can help deliver an enhanced natural environment for the benefit of everyone, or whether it poses significant risks by making nature conservation a commodity. Juniper is a campaigner, writer, sustainability advisor and environmentalist, Speight is CEO of the Woodland Trust, Andrew Simms is an economist at The New Weather Institute and Shaw is a journalist and broadcaster.