Resources

Calculate your carbon footprint using the Form CO2 EZ, created by the Mt Airy Greening Net. It's a paper-based carbon emissions calculator that can be filled out at the kitchen table, with your utility bills in hand.
Then checkout the Simple Things you can do to reduce your carbon footprint. Side 2 has some Slightly Challenging Things for you as well!
Then there's CO2 Science's Greenhouse Gas Reporting Calculators
The Alliance to Save Energy has some super tips as well
The Empowerment Institute's Low Carbon Diet is a 30-day program to lose 5000 pounds (of CO2). Best done with a group of neighbors or friends.
The National Geographic's Green Guide - A Calculated Loss: How to Reduce Your Global Warming Emissions is quite cool.
A Canadian group, EarthFuture, lists 10 steps for us Americans to reduce our carbon emissions.
The Home Energy Saver is a government site that identifies ways to save energy in your home.
Checkout Warm Air's website for various calculators and product ratings

The Energy Justice Network explains Conservation & Efficiency
The group FreeCFL wants to raise awareness of the benefits of compact fluorescent light bulbs (CFL), so much so that they've been giving out free CFL bulbs in the Philadelphia area so people can see for themselves how great CFLs are.
The Energy Coordinating Agency is dedicated to ensuring that low and moderate income Philadelphians have access to safe, affordable and reliable sources of energy and water. ECA works to develop a sustainable energy future for the region through energy conservation and renewable energy. ECA coordinates and provides energy conservation services to thousands of households in the Philadelphia area every year.
Hap Haven of US Green Home offers comprehensive energy audits
Ted Inoue of Energy Testing & Consulting also offers comprehensive energy audits in Bucks County and areas surrounding New Hope, PA.
The Interfaith Coalition on Energy aims to inspire congregations to reduce the costs of operating their facilities. They guide congregations to use measurably less energy, to purchase energy at lower cost, and to anticipate and prevent problems with mechanical and electrical systems within their buildings. Their mutual goal is to create money for community service while practicing environmental stewardship.

PECO - Offers a clean renewable wind-generated electricity product called PECO Wind. Find out more here.
PGW - Offers these conservation tips.
The Energy Co-operative offers bioheating oil, made from a blend of diesel & vegetable oils.
Exact Solar installs solar hot water heating systems.
Select the right clean renewable energy for your needs at Clean Your Air.
Get in the game and join the Pennsylvania Clean Communities Campaign, a project of The Reinvestment Fund and SmartPower, who say: Clean Energy. It's Real. It's Here. It's Working.

National carbon dioxide emissions per capita, or why it's important that we in the US need to make significant reductions in our carbon emissions.
Understand the over-all big action picture with wedges

The Community Solution - A basic societal transformation is needed to change from the three principle values of Competing, Hoarding and Consuming to values of Cooperating, Sharing and Conserving. To usefully "think globally-act locally" we must conserve here at home and we must cooperate at home and abroad in finding just and equitable solutions to the challenges of Peak Oil, climate change and inequity. Read The Community Solution's New Solutions 10: Plan C – Curtailment and Community | September 2006
Post Carbon Institute - assisting communities to adapt to an energy constrained world.