Story perspectives

Human Activity Drives Global Sea-Level Rise Since 1970

7/4/2026

Summary

Scientists Attribute Rise

Global researchers report that anthropogenic forcing dominates global mean sea-level rise since 1970.
Multiple studies attribute most twentieth-century thermosteric sea-level increase to human-driven climate factors.
Process-based model simulations reliably reproduce observed sea-level trends.
Analyses identify uncharted glaciers and the Greenland ice sheet as significant contributors to recent rise.
Reconstructions using tide-gauge data quantify global mean sea-level rise throughout the twentieth century.

Summary

GPS Reveals Motion

GPS measurements reveal widespread vertical land motion that can mask true sea-level change.
Tide-gauge analyses show uplift along the northern Pacific-North American plate boundary from 1937 to 2001, affecting regional sea-level records.
Studies of Bangkok document land subsidence rates that exacerbate local sea-level rise hazards.
Artificial water impoundment behind dams and atmospheric pressure loading create spatially variable sea-level fingerprints, quantified by GRACE and highlighted in twentieth-century analyses.

1 of 2

Scientists Attribute Rise

Global researchers report that anthropogenic forcing dominates global mean sea-level rise since 1970.
Multiple studies attribute most twentieth-century thermosteric sea-level increase to human-driven climate factors.
Process-based model simulations reliably reproduce observed sea-level trends.
Analyses identify uncharted glaciers and the Greenland ice sheet as significant contributors to recent rise.
Reconstructions using tide-gauge data quantify global mean sea-level rise throughout the twentieth century.

1 / 2