---
id: engines/gcam
about:
  label: GCAM
  description: >-
    Connects energy, water, land, economy and climate in regional and global
    scenarios.
tool:
  form: Integrated assessment model
  group: Ecosystems and land
  audiences:
    - research
    - government
  homepage: 'https://jgcri.github.io/gcam-doc/overview.html'
domains:
  - food
relations:
  - predicate: answers
    target: questions/land-use-change
provenance:
  origin: survey
  sources:
    - title: 'GCAM: model overview and history'
      url: 'https://jgcri.github.io/gcam-doc/overview.html'
  reviewed: 2026-09
  reviewed_by: 'survey draft, not yet rechecked'
  status: draft
---
A long-running community modeling program.

Integrated assessment model. Listed in the survey under "Ecosystems and land". Audiences named there: research, government.