1. Psychological effectiveness of carbon labelling;G Beattie;Nat Clim Chang,2012
2. ISO 14044. Environmental management—Life cycle assessment—Requirements and guidelines. Geneva, Switzerland; 2006.
3. ISO 14067. Greenhouse gases—Carbon footprint of products—Requirements and guidelines for quantification and communication. Geneva, Switzerland; 2012.
4. ISO 14040. Environmental management—Life cycle assessment—Principles and framework. Geneva, Switzerland; 2006.
5. BSI. PAS 2050—Specification for the assessment of the life cycle greenhouse gas emissions of goods and services; 2008.