Global atmospheric CO₂
+27.1% since the global NOAA record began in 1979.
Independent climate intelligence
A clear view of the climate signals that matter—continuously maintained from NOAA and NASA datasets, with every date, caveat and source in sight.
Four planetary signals
Every number below is dated to the underlying observation or source publication—not the moment this page loaded.
+27.1% since the global NOAA record began in 1979.
August 2026 global land–ocean anomaly. The complete 2025 annual mean was +1.19°C.
A satellite-derived global mean. Not a local tide level and not a forecast.
Greenland −264 Gt/yr · Antarctica −135 Gt/yr, average rates since 2002.
A precise definition
Climate measurements are checked, calibrated and sometimes revised. Here, “live” means the latest defensible observation is maintained as its scientific source publishes it—and its age is never hidden.
Read the methodologyBuilt from named first-party scientific records—not scraped commentary.
NOAA GML NASA GISS NASA · JPLThe ClimateChange.live briefing
A restrained email briefing for material updates to the global record. No daily news cycle and no automated article feed.
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