slide 1 - View of North America from space

Earth's 'paunch' helps sharpen ice-loss estimates

Combining gravitational measurements yields a clearer picture of our planet's true shape. Full story ›

slide 2 - Why a growing Greenland glacier doesn't mean good news for global warming

Why a growing Greenland glacier doesn't mean good news for global warming

While a growing Greenland glacier may seem like good news, there’s no evidence it means global warming is slowing down. Full story ›

slide 3 - Successful ocean-monitoring satellite mission ends

Successful ocean-monitoring satellite mission ends

The Jason-2 mission provided unique insights into ocean currents, sea level rise and climate change for 11 years. Full story ›

slide 4 - Lake formed in melting glacier

Landsat illustrates five decades of change to Greenland glaciers

Glaciers shrink and more rock is exposed in satellite images. Full story ›

slide 5 - GRACE-FO shows the weight of Midwestern floods

GRACE-FO shows the weight of Midwestern floods

Data from the mission show water weight gain across the U.S. Midwest and rapid weight loss from Greenland's melting ice. Full story ›

Global Mean Sea Level

3.3

± 0.4
mm/yr
Ocean Mass

1.8

± 0.3
mm/yr
Steric Height

1.1

± 0.2
mm/yr
Greenland Ice Mass Change

286

± 21
Gt/yr
Antarctica Ice Mass Change

127

± 39
Gt/yr

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Regional Sea Level

Explore the main causes: ice melt and heat-driven expansion of ocean water

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Understanding Sea Level

NASA keeps track of sea level change and its causes from space. Find out more about how NASA satellite observations help our understanding of this complex topic.

Global Sea Level

Explore the main causes: ice melt and heat-driven expansion of ocean water

Learn more about Global Sea Level ›

Regional Sea Level

Sea level varies by region in response to many factors, from gravity to land motion to rainfall

Learn more about Regional Sea Level ›

Sea Level News

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Full-disk image of Earth

Earth's 'paunch' helps sharpen ice-loss estimates

Why a growing Greenland glacier doesn't mean good news for global warming

Successful ocean-monitoring satellite mission ends

Landsat illustrates five decades of change to Greenland glaciers

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Earth 360 Video: The Call of Science

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Earth 360 Video: The Call of Science

Join NASA Earth scientists for a 360-degree view of our planet as they head into the field to study Greenland ice and Hawaiian coral reefs.