• Pariticipate in local programs for recycling papers, aluminum, glass and plastic cans and packaging
  
  
• Responsibly recycle computers
  and electronics; properly dispose
  of batteries
  
  
• Switch to more energy-efficient
  light bulbs
  
  
• Recycle plastic water bottles and/or
  choose one good polycarbonate water bottle to re-use; see
  http://hubpages.com/
  hub/water_bottles
  
  
• Shopping bags—choose re-useable bags to take to the market
  
  
• Consider walking or riding a bike for short errands
  
  
• Be vigilant about accepting unsolicited paper—in the form
  of unwanted or duplicate catalogs and mail

At the business level, maybe the biggest thing I can do as a graphic designer is to encourage clients to choose stock containing post consumer waste (PCW) for their print jobs, and also choose vendors attuned to the environmental impact of the paper and printing industries. A number of certifications are helping clients identify environmentally-conscious suppliers:

http://www.fscus.org/
Forest Stewardship Council (FSC) Chain of Custody certification applies to all wood products, not just paper, and assures the
end user that a paper or wood product is furnished according
to the most sustainable practices currently available.

http://www.sfiprogram.org/
The Sustainable Forestry Initiative (SFI) Standard, developed by professsional foresters, conservationists and scientists, combines growing and harvesting of trees with long-term protection of wildlife, plants, soil and water quality. SFI certification means that the paper manufacturer can show that 100% of the raw material used to make the paper comes through a SFI-certified procurement system.