Environment

Contribution of one country to observed global warming

Returns the per-country contribution to observed global warming, decomposed by gas (CO2, methane, nitrous oxide, total greenhouse gases) and expressed in degrees Celsius. Includes the share-of-total percent. These values are CONTRIBUTIONS to warming, not absolute temperatures. Methodology from Jones et al. National contributions to climate change (2025); redistributed by Our World in Data. Published under CC BY 4.0 with dual attribution.

get/api/v1/environment/co2/temperature-contribution/{iso3}

Path parameters

iso3string required

ISO 3166-1 alpha-3 country code. Case-insensitive; normalised to uppercase.

Query parameters

start_yearinteger nullable

Inclusive start year (integer). Temperature-contribution series begin around 1851.

end_yearinteger nullable

Inclusive end year. Defaults to the latest year in the bundle.

Response

Annual per-country per-gas contributions to observed global warming.

Example response

{
  "data": {
    "iso_code": "USA",
    "country": "United States",
    "observations": [
      {
        "year": 2022
      }
    ],
    "count": 175
  },
  "meta": {
    "endpoint": "/api/v1/fred/us/cpi",
    "data_time": "2026-04-16T14:30:00Z",
    "response_time": "2026-04-16T14:30:12Z",
    "provider": "Sugra API v1.0.1",
    "data_age_days": 8.532,
    "source": "sugra_crypto",
    "attribution": "Short interest and Reg SHO daily short volume data is owned by and sourced from FINRA (Financial Industry Regulatory Authority).",
    "fallback_chain": [
      "sugra_crypto",
      "sugra_finance"
    ],
    "period": "2026-Q1",
    "notes": "the UKMTO report behind these counts is dated 2026-08-21 and is 11 days old"
  }
}

Changes

Changed in 2 of the 22 revisions of this API.15

Sep 1, 2026328d061c12ca3See the full diff
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  added the optional property meta/period to the response with the 200 status
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Aug 8, 20264c4530760ba112See the full diff
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  added the optional property code to the response with the 401 status
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  added the optional property code to the response with the 503 status
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  added the optional property hint to the response with the 401 status
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  added the optional property hint to the response with the 429 status
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  added the optional property hint to the response with the 503 status
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  added the optional property plan to the response with the 401 status
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  added the optional property plan to the response with the 429 status
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  added the optional property reason to the response with the 401 status
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  added the optional property reason to the response with the 429 status
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  added the optional property reason to the response with the 503 status
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Full history