Energy use and carbon emissions resources
The Vulcan Project quantifies North American fossil fuel carbon dioxide emissions to aid in quantifying carbon budgets and carbon dynamics http://www.purdue.edu/eas/carbon/vulcan/
Greenhouse Gas (GhG) conversion metrics for finding equivalents between them, production and offsets http://www.climatetrust.org/conversion_metrics.html
Refrigeration Gas alternatives to toxic and GhG amplifying CFCs, HCFCs and HFCs: http://www.greenpeace.org/usa/assets/binaries/hfc-solutions-fact-sheet.pdf
services
WiredSolar.net publishes real-time monitoring data and reports for solar water heating systems http://www.wiredsolar.net/
DeckMonitoring publishes real-time monitoring data and reports for PV systems. http://www.deckmonitoring.com/