Greenhouse Gas Accounting
- http://www.ghgprotocol.org/
 - http://www.ghgprotocol.org/standards/corporate-standard
 - http://www.ghgprotocol.org/standards/scope-3-standard
 - http://www.ghgprotocol.org/standards/project-protocol
 - http://www.theclimateregistry.org/
 - http://www.theclimateregistry.org/resources/protocols/general-reporting-...
 
Campus Sustainability
- http://secondnature.org
 - http://secondnature.org/climate-guidance/the-commitments/#Climate_Commitment
 - http://www.aashe.org/
 - http://www.aashe.org/wiki/climate-planning-guide
 - https://stars.aashe.org/
 
Relevant National and International Data
- http://www.ipcc.ch/
 - http://www.ipcc.ch/publications_and_data/publications_and_data_reports.s...
 - https://www.epa.gov/ghgemissions/inventory-us-greenhouse-gas-emissions-and-sinks
 - https://cdn.sei.org/wp-content/uploads/2013/10/european-green-office-handbook.pdf
 - https://www.iau-hesd.net/
 - https://www.epa.gov/egrid
 - https://www.epa.gov/land-research/us-environmentally-extended-input-outp...
 
About carbon, nitrogen, phosphorus, water, etc..
- https://www.khanacademy.org/science/biology/ecology/biogeochemical-cycles/a/the-phosphorous-cycle
 - https://www.youtube.com/watch?v=uuwN6qxM7BU
 - https://n-print.org/
 
Reducing your personal footprints: