OCO-3 Stories
![](https://www.nasa.gov/wp-content/uploads/2023/01/1-europe-at-night-1041.jpg)
A case study involving Europe’s largest coal-fired power plant shows space-based observations can be used to track carbon dioxide emissions – and reductions – at the source. A duo of Earth-observing missions has enabled researchers to detect and track carbon…
![](https://www.nasa.gov/wp-content/uploads/2020/11/iss-7.jpg)
After 20 years of continuous human presence, the International Space Station (ISS) has provided 241 visitors with an extraordinary view of Earth from outer space — one they have shared with the rest of the world. Astronaut photography, formally called…
![](https://www.nasa.gov/wp-content/uploads/2020/11/1-lake-and-skyline-main-1041.jpg)
A new study tracing the sources of carbon dioxide, the most significant human-generated greenhouse gas, reveals the unexpectedly large influence of vegetation in urban environments. Burning fossil fuels in densely populated regions greatly increases the level of the greenhouse gas,…