# A decade of carbon dioxide data from space gets an upgrade

- Source: Phys.org - latest science and technology news stories
- Published: 2026-10-30T18:40:08+00:00
- Category: Science
- Original: https://phys.org/news/2026-10-decade-carbon-dioxide-space.html
- Canonical: https://groundlevelnews.com/story/a-decade-of-carbon-dioxide-data-from-space-gets-an-upgrade-168feb/

Every day, two NASA space instruments known as the Orbiting Carbon Observatory-2 and -3 (OCO-2 and OCO-3) capture more than a million observations of sunlight reflecting off Earth's surface. Using the physics of how light travels through the air, an algorithm converts these raw data into atmospheric carbon dioxide (CO₂) concentrations.

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