The principle of care is one of the tenets underpinning organic agriculture. IFOAM indicate that Organic Agriculture should be managed in a precautionary and responsible manner to protect the health and well-being of current and future generations as well as the environment. Most organic consumers I speak to are keen to extend this fundamental principle into other areas of their daily lives. Saving energy in the home is one of the surest ways we, as individuals, can reduce the load we place on our precious planet. Choosing energy efficient lighting sources can result in significant reductions in household green house gas emissions. So, having some understanding of energy efficient lighting tends to be useful for most organic consumers. But what...