This week, the Earth911.com team explains how you can help save the Monarch Butterfly, cut your energy use and lower the power bill, and recirculate your old running shoes. We talk with artist Aviva Rahmani, whose "Blued Trees Symphony" started a national movement to block pipeline development with natural art installations in wetlands and forests using Copyright law. Also, Reader Questions about recycling railroad ties, flooring and carpet, and those pesky plastic shopping bags.