Many folks talk about the cost of going "Green". One sure way of cutting those costs is to look for rebates. Power companies, gas companies, and water Depts. may offer rebates! And don't forget the federal and sometimes state credits and rebates.
Want to save money and be Greener ?
True, JavierS, especially for those looking to buy homes.
To encourage people to buy energy efficient appliances, for example, Energy Star has rebates and special offers depending on what kind of appliance you buy and where you live. You can find it here: http://www.energystar.gov/index.cfm?fuseaction=rebate.rebate_locator