Connecticut GHG Inventory Dashboard

2023–2024 · Interactive greenhouse gas inventory dashboard for three Connecticut metropolitan regions, deployed on AWS

Overview

A public-facing dashboard displaying the 2021 greenhouse gas (GHG) inventory for three Connecticut metropolitan planning organizations: Bridgeport, Hartford, and New Haven. Built to support regional decarbonization planning and scenario discovery research.

Live dashboard: ctghginventory.narslab.org

What It Shows

  • Sector-by-sector GHG emissions (mobile combustion, electricity, stationary combustion, solid waste, agriculture, forestry) for each region
  • Per capita and absolute emissions comparisons across the three regions
  • Trend data and scenario planning support for local governments
  • Interactive filters by sector, region, and year

Technical Stack

  • Visualization platform: Apache Superset
  • Backend: SQL database with structured GHG inventory tables
  • Infrastructure: Linux server hosted on AWS Lightsail
  • Data sources: EPA emissions factors, CT energy consumption records, USDA/EPA sector-specific data

This dashboard supports the scenario discovery paper:

  • Scenario discovery framework aids robust regional emissions mitigation planningEnvironmental Research Communications, 8(3), 031008 (2026)

Collaborators

  • Prof. Jimi Oke (PI), NARSLab, UMass Amherst
  • Connecticut Councils of Governments (COGs)
  • Collaborators: P. Zhao, J. Mega, M. Arabi, C. V. Barchers