Here are some of my favorite links which offer you some more information on related subjects
Green Home - The Environmental Store
The International Institute for Baubiologie & Ecology
EMF Services
Essential Oils: The International Institute of Traditional Herbal Medicine and Aromatherapy
Martín Prechtel - Flowering Mountain
www.greenmuseum.org - inspiring environmental art with nature
www.jimshugart.com - stunning photography, sustainable building designer and consultant