Of those solutions, it favors energy efficiency and conservation above all others. As an individual, you exert limited control over production (power plants, wind farms, etc), as but as a consumer you have myriad options to make your home conserve energy and use it more efficiently.
Pick your Level of Commitment
Your Choices can range from easy to complex:
Greening Your Home
(relatively simple, everyday actions)
Sustainable Structure
(repairs, remodeling, etc.)
From the Ground Up
(choosing or building a low energy home)
Then apply to every type of home energy consumption:
Heating and Cooling
(about 55% of an average home's energy use)
Appliances and Home Electronics
(about 20%)
Lighting and Other
(about 25%)