#    Emissions Management

 [ ![](https://www.leonsoftware.com/templates/yootheme/cache/31/4airart-31f409f2.jpeg)

22 Dec 2025

##  Leon Software integrates with 4AIR to streamline sustainability and emissions reporting

Leon Software has introduced a new integration with 4AIR, an aviation-focused sustainability consultancy, enabling operators to automate emissions tracking, SAF (Sustainable Aviation Fuel) accounting…

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=914&catid=14&Itemid=1297)

 [ ![CORSIA Compliance Made Easy: Leon Software and Opna Join Forces](https://www.leonsoftware.com/templates/yootheme/cache/9d/CORSIA_Compliance_Made_Easy__Leon_Software_and_Opna_Join_Forces_1-9d4f22db.png)

23 Apr 2025

##  CORSIA Compliance Made Easy: Leon Software and Opna Join Forces

Leon Software has partnered with Opna to deliver a seamless integration that helps air operators stay fully compliant with CORSIA regulations—simplifying CO₂ emissions reporting and offsetting obliga…

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=793&catid=14&Itemid=1297)

 [ ![Manage and track SAF usage with Leon Software and Azzera](https://www.leonsoftware.com/component/ajax/?p=image&src=%7B%22file%22%3A%22images%2Fnews%2F2024%2FLeon_Article_Manage_and_track_sustainable_aviation_fuel_usage_with_Leon_and_Azzera.png%22%2C%22thumbnail%22%3A%22610%2C340%2C%22%7D&hash=deeb5cc6)

27 Aug 2024

##  Unlocking New Opportunities: Integrating Leon Software with Azzera CELESTE

The API integration of Leon Software with Azzera CELESTE platform is now live and aircraft operators can kick-start their sustainability journey in a matter of seconds. With this integration, operato…

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=718&catid=14&Itemid=1297)

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