some useful information we could use. 

1. Green house effect has affected the way business trades. There are increasing demands of environment friendly products. Example using hybrid cars and paper bags instead of plastic bags.
2. There are increase emphasis on environmental footprints and sustainability.
3. There are legislations being enacted related to environment. This forces the business to change its policies (the way they do business) and disposal costs to business like restoration of site.view-                                                                                           

(view-source:http://accalecturenotes.blogspot.com/2011_01_01_archive.html)

(http://accalecturenotes.blogspot.com/2011_01_01_archive.html)

List the materials you receive regularly from suppliers, how the materials are delivered, and any other relevant information, for example, how they are produced and packaged. Think about any aspect of the materials that may have an eco-efficiency impact and identify your priorities for action. Dealing with suppliers who operate eco-efficiently allows you to offer and promote a full eco-efficient service to your customers.

(http://www.ehp.qld.gov.au/sustainability/sector-guides/service-stations/index.html)

Use of environmentally compatible materials, e.g. non-toxic and low energy consumption

Reducing environmental effects in production, e.g. energy and water consumption

Repair-friendliness and long stock availability

Recycling-friendly design, e.g. easy dismantling and material identification

Preparation of life cycle assessments and carbon footprints

(http://www.karcher.com/int_nl-be/About_Kaercher/Sustainability/Environmental_protection/Product-related_environmental_protection.htm)