Find out what raw materials go into a product and where they come from, remembering that long-distance transport involves other precious resources. Green manufacturing makes use of renewable resources and energy-efficient [1] processes, while steering clear of harmful synthetic ingredients and the release of harmful substances during the process itself.
Links:
[1] http://www.moneypit.com/article/energy-saving-tips-and-ideas-save-money-your-heating-cooling-water-and-electic-bills