The list of current and past publications below (along with associated links) will give you an idea of the range of work we do.


‘Environmental Management Systems; A step by step guide’ 3rd edition, By Christopher Sheldon and Mark Yoxon

Published by Earthscan

Originally entitled ‘Installing Environmental Management Systems’, this in-depth guide to implementation and maintenance of management systems has been completely updated to take account of EMAS II, ISO 14001:2004 and the publication of phased implementation schemes such as the UK’s Acorn /BS 8555 scheme.

‘ISO 14001 and Beyond’ Edited by Christopher Sheldon

Published by Greenleaf publishing

Subtitled ‘Environmental Management Systems in the Real World’, this seminal collection of papers from around the world explores the emerging discipline of environmental management in all its wide varieties.

The Natural Step and ISO 14001: Guidance on the Integration of a Framework for Sustainable Development into Environmental Management Systems by Christopher Sheldon and Ed Rowland

Published by the British Standards Institution

One of the first works to explore in detail how environmental management systems could be used to drive corporate sustainability. It links the two most important international guidelines in their relative fields and furthers the debate on turning sustainable development into an operational reality.

Effective EMS Auditing by
Christopher Sheldon

Published by the British Standards Institution

Designed for anyone approaching environmental management system auditing for the first time, it lays out the basics, save times and maximises the efficient delivery of business benefits.

Standards and Guidelines

British Standard BS 8555 ‘ Guide to the implementation of environmental management systems, including the use of performance evaluation’

Drafting Consultant: Christopher Sheldon

The SIGMA Guidelines (SIGMA = Sustainability: Integrated Guidelines for Management)

Green Inck supplied the lead research in a core strand of this ground-breaking set of guidelines. Funded by the UK Department of Trade and Industry and supported by the partners Forum for the Future, AccountAbility and the British Standards Institution, the project and its output has been internationally acknowledged as
extremely influential. Green Inck worked on the practical implementation of the Management Framework and associated toolkit, integrating all the other research carried out.