---
- caption: Global monthly average atmospheric carbon dioxide concentration in parts per million.
  chapter_identifier: ~
  href: https://data.globalchange.gov/report/indicator-atmospheric-carbon-dioxide-2021/table/indicator-atmospheric-carbon-dioxide-2021.yaml
  identifier: indicator-atmospheric-carbon-dioxide-2021
  ordinal: 1
  report_identifier: indicator-atmospheric-carbon-dioxide-2021
  title: ~
  uri: /report/indicator-atmospheric-carbon-dioxide-2021/table/indicator-atmospheric-carbon-dioxide-2021
  url: ~