Use electronic mail rather than paper whenever possible. You'll never need to buy scratch paper again. Use both sides of paper before you recycle it, and be sure that your photocopying is two-sided when possible. Everything Recycle everything possible. Toner cartridges, aluminum, glass, all types of paper, cardboard, telephone books, even food.
Some companies make compost from their lunch scraps and use it for their plants.
The EPA has reported on the dangers of EMFs, which are thought to emit fields high enough to cause cancer for those within very close proximity to machines and appliances. Avoid materials that are highly toxic, heavily packaged, not recycled, or not recyclable. Lighting Retro-fit lights with fixtures using much less energy. Turn off lights whenever you leave the room. According to the EPA's Green Lights Program, the common belief that turning a light off and on wastes energy is a myth.