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Climate

Berkeley Earth API

Berkeley Earth

Berkeley Earth's Berkeley Earth API provides access to surface temperature, ocean temperature, land temperature and more. Global coverage, updated monthly. No authentication required.

Surface temperatureOcean temperatureLand temperatureUncertainty

No AuthFreeMonthlyGlobal

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Carbon Monitor API

Carbon Monitor

Carbon Monitor's Carbon Monitor API provides access to daily co2, sectors, countries and more. Global coverage, updated daily. No authentication required.

Daily CO2SectorsCountriesPowerTransportIndustry

No AuthFreeDailyGlobal

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Climate TRACE API

Climate TRACE

Climate TRACE's Climate TRACE API provides access to ghg emissions, sectors, countries and more. Global coverage, updated annual. Free tier available.

GHG emissionsSectorsCountriesAssetsTime series

API KeyFreeAnnualGlobal

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Copernicus Climate Data Store

Copernicus / EU

EU satellite-based climate data. ERA5 reanalysis, sea level, ice extent.

ERA5 ReanalysisSea Level RiseArctic Ice ExtentClimate ProjectionsSoil Moisture

API KeyFreeDailyGlobal

Quick start

// Copernicus Climate Data Store API
import cdsapi from '@ecmwf/cdsapi';
const c = new cdsapi.Client({ url: process.env.CDS_URL, key: process.env.CDS_KEY });

await c.retrieve('reanalysis-era5-single-levels', {
  product_type: 'reanalysis',
  variable: '2m_temperature',
  year: '2024',
  month: '01',
  day: '01',
  time: '12:00',
  format: 'netcdf',
}, 'download.nc');
console.log('ERA5 data downloaded');

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Global Carbon Project

Annual global CO2 emissions by country and sector since 1750.

CO2 Emissions by CountrySector BreakdownHistorical TrendCarbon BudgetLand Use Change

No AuthFreeAnnualGlobal

Quick start

// GCP data via Our World in Data
const res = await fetch(
  'https://raw.githubusercontent.com/owid/co2-data/master/owid-co2-data.json'
);
const data = await res.json();
const usData = data['United States'];
const recent = usData.data.slice(-3);
recent.forEach(d => console.log(`${d.year}: ${d.co2?.toFixed(1)} MtCO2`));

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Global Warming API

Global Warming

Global Warming's Global Warming API provides access to co2 concentration, methane, nitrous oxide and more. Global coverage, updated daily. No authentication required.

CO2 concentrationMethaneNitrous oxideArctic iceTemperature

No AuthFreeDailyGlobal

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Meteomatics Weather API

Meteomatics

Meteomatics's Meteomatics Weather API provides access to temperature, precipitation, wind and more. Global coverage, updated hourly.

TemperaturePrecipitationWindUV indexClimate models

API KeyPaidHourlyGlobal

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NASA GISS Surface Temperature

NASA GISS

Global surface temperature anomaly data since 1880. GISTEMP dataset.

Global Temperature AnomalyMonthly RecordsLand vs Ocean TempBaseline Comparison140+ Years of Data

No AuthFreeMonthlyGlobal

Quick start

const res = await fetch(
  'https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.json'
);
const data = await res.json();
const recent = data.data.slice(-3);
recent.forEach(row => console.log(`${row[0]}: ${row[13]}°C anomaly (annual avg)`));

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NOAA Climate Data Online

NOAA

Historical climate data. Temperature, precipitation, and extreme events.

Temperature RecordsPrecipitation HistoryExtreme EventsStation DataSnow & Ice

API KeyFreeDailyGlobal

Quick start

const res = await fetch(
  `https://www.ncdc.noaa.gov/cdo-web/api/v2/data?datasetid=GHCND&stationid=GHCND:USW00094728&startdate=2024-01-01&enddate=2024-01-07&limit=10`,
  { headers: { token: process.env.NOAA_API_KEY } }
);
const { results } = await res.json();
results?.forEach(r => console.log(`${r.date}: ${r.datatype} = ${r.value}`));

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Our World in Data — CO2

Our World in Data

CO2 and greenhouse gas emissions by country. Open dataset on GitHub.

CO2 per CapitaCumulative EmissionsEnergy MixPer-GDP EmissionsHistorical Records

No AuthFreeAnnualGlobal

Quick start

const res = await fetch(
  'https://raw.githubusercontent.com/owid/co2-data/master/owid-co2-data.json'
);
const data = await res.json();
const world = data['World'];
const last5 = world.data.slice(-5);
last5.forEach(d => console.log(`${d.year}: ${d.co2?.toFixed(1)} MtCO2 (total), ${d.co2_per_capita?.toFixed(2)} t/person`));

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