This guidance is designed to offer advice to planning practitioners on how green infrastructure and biodiversity can be enhanced and protected through the planning system. It summarises the latest policy drivers and distils the best of our current policy responses. It also sets out practical examples of successful projects and sources of further detailed information. It has been prepared with the support of a wide range of organisations who have specific expertise in the field of planning for green infrastructure and biodiversity. It sets out for planners, practitioners and others: the key principles by which the provision of GI should be guided; and the essential elements of how to deliver effective planning policy on GI and biodiversity