LR-004213 · Earth & Climate
OPENAtmospheric carbon-dioxide concentration frontier
Global atmospheric CO₂ concentration has exceeded 420 ppm in the modern instrumental record and continues to vary with season and year.
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Earth and Climate Frontiers
Extremes and boundaries recorded across Earth’s atmosphere, oceans, climate, and geology.
5 published records in this collectionLR-004212 · Earth & Climate
OPENDeepest measured ocean point
The Challenger Deep reaches approximately 10,935 m below mean sea level in the Mariana Trench.
LR-004214 · Earth & Climate
OPENGlobal mean sea-level rise rate
Satellite-era observations report a global mean sea-level rise rate of several millimetres per year, with the estimate depending on the time window.
LR-004210 · Earth & Climate
OPENHighest verified near-surface air temperature
The WMO archive recognizes 56.7 °C at Furnace Creek, California, on 10 July 1913 as the highest verified air temperature.
LR-004211 · Earth & Climate
OPENLargest instrumentally recorded earthquake magnitude
The 1960 Valdivia earthquake in Chile is rated Mw 9.5, the largest instrumentally recorded earthquake.