Here are some awesome LINKS about
Ethical consumerism

The Food Product Guide to Palm Oil Content

Ethical consumer
List of ethical companies (not exactly free : about 50 $ CAN )
Consumer boycotts

Combat Monsanto

Ethical Directory

Business & Human Rights Resource Center

Individual companies
Ethical boycott guide

Worst company in America
Black list of companies

Corporate critics  (far from free...)

How to Save the world

Global Exchange


Also interesting might be these

2009 World’s Most Ethical Companies

The myth of the ethical consumer – do ethics matter in purchase behaviour?

Les OGM dans votre assiette (PDF à downloader au bas de la page...)

Comment mieux consommer ?

Les cinq principales choses à ne pas acheter quand on fait ses emplettes

Appetite for Destruction? The Food Product Guide to Palm Oil Content