Close this search box.

Hawai’i Statewide Climate Action Training Cohort


Start: September 2018
End: Ongoing
Client or funder: Counties of Hawaii, Honolulu, Kauai, and Maui


The State of Hawai’i has emerged as a national and global leader on climate action, putting forth a 100% renewable energy by 2045 goal and target to reduce greenhouse gas (GHG) emissions to 1990 levels by 2020. However, Hawai’i also serves as a model for state-to-local coordination on these goals, with each of the four large counties bringing equal leadership to this multilevel collaboration. Beginning in 2018, the four city/counties–Hawai’i, Honolulu, Kaua’i and Maui–joined ICLEI USA through a unique statewide training cohort in order to: develop GHG inventories, begin forecasting reportable emissions data, and move into climate action planning in line with state goals.

Project Activity

To begin on this journey in September 2018, ICLEI experts worked with County staff to review existing data, provide technical assistance, and ensure that the inventories comply with the U.S. Community Protocol for GHG Emissions Inventories. A unique feature of the cohort involved training AmeriCorps Fellows placed in each county to support county staff. Through a series of web-based, 1- to 2-hour sessions, ICLEI provided training for staff and AmeriCorps Fellows over a period of six months to cover:

  • GHG Inventory Methodologies
  • Scoping
  • Data Collection
  • Transportation: Methods and Data
  • Airport and Waterborne Emissions
  • ClearPath GHG Emissions Management Software: Data Entry
  • Quality Assurance Protocol and Leadership Campaign Compliance
  • Reporting GHG to Stakeholders
  • Drivers of Emission Change and Long Range Planning

This mentoring opportunity built capacity while offering valuable experience to the volunteer Fellows. The cohort approach also offered a standardized approach so all counties followed a shared protocol for developing the inventories and reporting the results. This rare in-state alignment increases the usefulness and comparability of the inventories for forecasting and Climate Action Plan (CAP) development.


Training occurred in 2018 and each county completed a separate GHG inventory in 2019; Follow-on Training in 2010 and 2021 for continual technical resource development.

The counties are now moving into forecasting and target-setting exercises using their GHG inventory data. ICLEI technical support evolves in 2020 to support a continuation of the cohort, which will ultimately develop data-driven climate planning scenarios.

Those Involved

Hawai’i County
Honolulu County
Maui County
Kau’i County

“Our ICLEI memberships have paid dividends far greater than the modest fees required. The technical assistance and expert guidance that we received from ICLEI allowed us to leverage internal resources to develop our first GHG inventories under the Global Protocol for Community-Scale Greenhouse Gas Inventories. With our baseline inventories archived in ClearPath, we are now using it to crunch our data and identify the most impactful strategies to reduce and eliminate carbon emissions.” Rocky Mould, City and County of Honolulu Energy Program Manager