Have you read the article on Greenhouse Gas Emission Metrics written by Maria Fara in the May 2016 edition of FMLink?
The article covers:
Greenhouse gases and global increasing concern
What to track
Choosing the right Tools
http://fmlink.com/articles/greenhouse-gas-emission-metrics/
Maria Fara, Sustainability Facility Professional and LEED Accredited Professional, is a Project Manager at Facility Engineering Associates. During her 15 years of experience she has worked on and managed numerous projects of varying sizes in the areas of sustainability assessments, energy management, and environmental consulting projects such as Phase I and Phase II environmental site investigations and Spill Prevention Control & Countermeasure (SPCC) plans, workforce development and Leadership in Energy and Environmental Design Certification (LEED®) Certification.