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 atmosph...
Source: [Phys.org](https://phys.org/news/2026-10-decade-carbon-dioxide-space.html)