Earth Science.
Climate, oceans and the planetary record read from physical evidence.
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Earth is an active system with a documented record, not a stage set. Earth science is the discipline that reads the receipts — and the receipts go back a very long way.
What this field actually measures
- Ice core record
Trapped air bubbles preserving past atmospheric composition.
ReferenceAntarctic cores yield continuous records extending back roughly 800,000 years.
- Plate motion
Rate at which tectonic plates move.
ReferenceTypically a few centimetres per year — about the rate fingernails grow.
- Sea level record
Tide gauge and satellite altimetry measurements.
ReferenceSatellite altimetry has provided global coverage since the early 1990s.
Evidence & metrics
The published work behind the numbers above, and the public datasets you can open to check us. If a claim can’t be traced here, we don’t print it.
Citations
Ice-core records of atmospheric composition
EPICA and Vostok programmes — Nature · 1999–2008
Extended the direct greenhouse-gas record back roughly 800,000 years with dated annual layers.
Global sea level change from satellite altimetry
NASA / NOAA sea level teams · 1993–present
Publishes the altimetry-derived sea level series with instrument-drift corrections stated.
Datasets
US Geological Survey · free API
Global seismic events with magnitude, depth, and location uncertainty.
NOAA NCEI · free
Ice core, tree ring, and sediment proxy series with dating metadata.
Still open
- How do regional systems respond to global forcing on decadal scales?
- What are the limits of paleoclimate proxies for short-term events?
- How should uncertainty in projections be communicated without inviting dismissal?
What we won’t say
We will not treat a single season's weather as a measurement of climate. Different sampling windows, different question.
- VO-1Evidence before wit
- VO-2Punch at claims, never at people
- VO-3Say the uncertainty out loud
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