"Green" has many labels:

Renewable Energy, Alternative Energy, Clean Energy, Sustainable Living, Green Building, Cleantech, Greentech, LOHAS/Lifestyles of Health and Sustainability, Environmentalist or even Tree Hugger

There will always be too many links to list, but the following are links we frequent and think are worth listing. The first links are Texas Organizations and State
Agencies that make a difference. The second segment of links are incredible resources of knowledge and inspiration. Please send us your links if we've missed a green resource or association that is essential to learning and taking action.

State Organizations and Agencies
Texas Renewable Energy Industries Association
Texas Solar Energy Society
The SEED Coalition
Texas State Energy Conservation Office
General Land Office
West Texas A&M University-Alternative Energy Insitute (AEI)                                                                         
EarthShare Texas                                                       Public Citizen Texas 

Austin Resources
Austin Energy
Austin Energy Rebates and Loans
Austin Energy’s Green Building Program
Austin Energy’s Green by Design Workshops
U.S. Green Building Council Central Texas Chapter
Solar Austin
Design~Build~Live                                                    1House at a Time                                                        Shelter with Spirit  
Sustainable Sources 
Austin Green Technology Examiner
Austin Green Living Examiner
Austin Green Building Examiner
Austin Sustainable Living Examiner
Austin Energy Efficiency Examiner

Nationwide Knowledge Resources
U.S. Department of Energy
U.S. Department of Agriculture
American Solar Energy Society
American Wind Energy Association
Solar Energy Industries Association
North American Board of Certified Energy Practitioners
National Renewable Energy Laboratory
Interstate Renewable Energy Council                            Database-State Incentives for Renewables & Efficiency 
U.S. Green Building Council
Green Building Certification Institute
Environmental Defense Fund
Science Daily
Energy Boom
Solar Nation
cleantech.com
goodcleantech.com
TreeHugger
thedailygreen.com
ecogeek.org
ecofriend.org
Going Green and Sustainability Examiner                      greenjobs   

Following links added due to hard work and research on their sustainability project by Ms. Hernandez' class at Valley Charter School in Northern California. (Dec. 2011) This page was also used as a resource.

Environmental Studies
Environmentally Friendly Cars
Alternative Energy Sources
All About Fair Trade