Use drought-resistant shrubs and hedges instead of fencing.  They add beauty, privacy, absorption of CO2, and habitat for your critter-neighbors. 
                                                             

[For more easy, money-saving, earth-friendly tips, download a FREE copy of Green Riches: Help the Earth & Your Budget. Go to www.Smashwords.com/books/view/7000 or your favorite e-book seller and download to your computer or e-book device. Totally free, with no strings attached.]