Eco-friendly – You work for a company that has environmentally friendly policies, but your job does not directly interact with or impact the environment...

Green - A green job involves working for an organization whose primary focus is the environment, clean energy/technology, etc....

Sustainable – A sustainable job involves either working in a direct impact position with an eco-friendly company or working for a green organization, but the distinguishing element (for me) is that the company takes a holistic view of sustainability...