About Us

This website is a product of the Carbon Offset Research and Education (CORE) initiative of the Stockholm Environment Institute (SEI) and Greenhouse Gas Management Institute (GHGMI). CORE was launched in 2011 to promote offset programs and policies that maximize their potential benefits, while minimizing their potential risks. Since the initiative’s founding, the CORE team has conducted cutting-edge research to inform policy makers and the general public about both voluntary and regulatory carbon offset standards and policies.

Stockholm Environment Institute

(SEI) is an independent, international non-profit research institute bridging science and policy for sustainable development. SEI’s work spans climate, water, air and land-use issues, governance, the economy, gender and health. Through stakeholder involvement, SEI aims to build capacity, strengthen institutions, and equip partners for long-term change.

SEI promotes debate and shares knowledge by convening decision-makers, academics, and practitioners while engaging with policy processes, development actions and business practices worldwide.


GHG Management Institute

(GHGMI) is an international non-profit organization providing expertise, training material, and courses to support a global community of experts with the highest standards of professional practice in measuring, accounting, auditing, and managing greenhouse gas emissions; meeting the needs of governments, corporations, and organizations large and small.

GHGMI’s work involves educating on the basics of GHG accounting, auditing and management, training professionals to meet the highest standards of expertise and ethical conducting, and conducting forward-looking research into critical GHG measurement, reporting, and verification (MRV) issues.