For home siding, side with the green choice- Choosing siding can be a tricky process because modern siding can be flimsy or expensive. HardiePlank siding is different. Made from wood pulp, sand, cement, and water that are recycled up to 4 times in the manufacturing process, this siding is durable, coming with a 50 year warranty.

http://www.jameshardie.com/homeowner/products_siding_hardieplankLapSiding.py