Gwenffrwd and Dinas nature reserve in Wales. Andy Williams photos/Shutterstock Nature is critical for our national health, wellbeing and security. Most national leaders haven’t really taken this on board yet because it is just too big an issue to handle. But, as I explore in my new book, this happens partly because many western societies are based on freely extracting resources from nature. Many societies have evolved to exploit the ecosystem services (the many and varied benefits that people g