Creating a beautiful outdoor space isn't just about improving curb appeal. With the right upgrades, your yard can also help reduce energy use, lower utility bills, and create a more comfortable place to spend time with family and friends. The best outdoor improvements are the ones that work hard behind the scenes while still enhancing the look and feel of your home.

Whether you're planning a complete landscape makeover or making a few seasonal updates, here are several projects that combine style with energy efficiency.

America’s energy policy has been the subject of much recent debate: From the Pope’s public advocacy of environmental stewardship to the EPA’s toughened regulations on pollution from petroleum refineries.