Agricultural Climate vs Other Sectors (IMAGE) Linköping University Caption Every sector in society emits greenhouse gases. But agriculture is different from most other sectors because of the large-scale photosynthesis. Crops produce oxygen (O2) and emit it to the atmosphere, while at the same time they capture and bind carbon dioxide (CO2) from the atmosphere. Credit Per Frankelius Usage Restrictions in connection with news from LiU License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.