Basic Geothermal Technology Overview
An overview and introduction to the technology behind geothermal energy systems.
http://www1.eere.energy.gov/geothermal/geothermal_basics.html

Biodegradable Products Institute
A not-for-profit group of professionals from different walks of life who go above and beyond to promote the use and recycling of biodegradable products. A great resource for biodegradable products.
http://www.bpiworld.org/?emulatemode=2

Biological Pollutants – Indoor Air Quality
The EPA discusses pollutants that effect indoor air quality, their sources and how you can reduce them.
http://www.epa.gov/iaq/biologic.html

BioPreferred
This program strives to encourage consumers to purchase green, biobased products. Read more about it here.
http://www.biopreferred.gov/?SMSESSION=NO

Biomass Basics
The definition of biomass and how it can be used for renewable energy.
http://tonto.eia.doe.gov/kids/energy.cfm?page=biomass_home-basics

Biofuels
A definition of biofuels and list of articles discussing different forms.
http://www.alternative-energy-news.info/technology/biofuels/

Build It Green – California
A non-profit organization that promotes sustainable, green building in California. Includes green building resources and training information.
http://www.builditgreen.org

Build It Green! NYC
Non-profit retail outlet which provides salvaged and surplus construction materials, preventing building materials from reaching landfills unnecessarily.
http://www.bignyc.org/frontpage