In addition to vegetative and solar roofs, there are other eco-friendly options to consider, including:

The Differences in Green Home Certifications
Choosing the Most Energy-Efficient Water Heaters
Choosing a Green Builder
Getting greener with Micro-CHP systems
The ins and outs of spray foam insulation
Introduction to Residential Green Building in New England
The Beauty of Slate. The Strength of Lamarite.
Spray and Forget: The Revolutionary Surface Cleaning Treatment
Roofing Materials for Sloped Roofs
Affordable Green Roofing
Interior Walls and Trim
Amvic Building System Insulated Concrete Form Overview
SaniTEE: An Ideal Septic Tank Wastewater Screen
Santerra Green: Environment-Friendly Sanitation
Plyboo Bamboo