Comprehensive Carbon / GHG Services

Environmental Services, Inc. (ESI) is a recognized leader in the development and provision of services   within the greenhouse gas (GHG) emission/reductions,  carbon sequestration, ecosystem services, and independent GHG validation and verification markets both nationally and internationally. We maintain our position on the forefront of these emerging markets by continually working with forward- thinking clients and seeking out new projects.

Our constant drive to understand the intricacies of the rapidly changing ecosystem services  and greenhouse gas markets allows us to provide expert advice and proven services to our diverse clientele.

From the small-farmer or landowner to the largest timber growers in the world, and from entrepreneurs forging new technologies in carbon sequestration to City, County, State, and Country governments; ESI provides services to a wide array of commercial, governmental, and social organizations seeking to produce creditable reductions, offset credits, and products.

ESI is continuously adding experience and credentials in the carbon and GHG markets, with projects extending to five continents. From designing educational programs for public awareness, to validating/verifying large AFOLU offset projects, ESI  provides businesses  and landowners  with the most innovative, science-based solutions to address the most challenging environmental issues.

ESI is accredited by the American National Standards Institute (ANSI) under ISO 14065:2013 for greenhouse gas validation and verification bodies including: ISO 14064-3:2006, ISO 14065:2013, validation/verification of assertions related to GHG emission  reductions and removals at the project level for Land Use and Forestry (Group 3), and verification of assertions related to GHG emissions and removals at the organizational level (Group 1 – General, Group 2 – Manufacturing, Group 3 – Power Generation, Group 5 – Mining and Mineral Production, Group 6 – Metals Production, Group 7 chemical Production, Group 8 – Oil and Gas Extraction, production, and Refining including Petrochemicals, and Group 9 – Waste).

For specific information about our Carbon and GHG Services, here.


Environmental Services, Inc  Environmental Services, Inc

Janice P. McMahon, Vice President 

Janice McMahon is the Regional Technical Manager for the Forestry, Carbon and GHG Services Division of ESI. Ms. McMahon specializes in greenhouse gas (GHG) reduction/removal projects, development& implementation of management plans for enhancement of carbon stocks, assessment of GHG emissions and reductions, development of carbon and environmental asset tracking programs, and GHG validations and verifications. She is also a CSA Certified GHG Verifier and GHG Inventory Quantifier, and TWS Associate Wildlife Biologist.


Phone: (330) 833-9941


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