Methane Alert and Response System
Methane Alert and Response System

Methane Alert and Response System announced by UN, is a new initiative to scale up global efforts to detect and act on major emissions sources in a transparent manner and accelerate implementation of the Global Methane Pledge.

Worlds Largest Strawberry Read

MARS will alert governments, companies and operators about large methane sources to foster rapid mitigation action of this potent gas.

The MARS was launched at the 27th Conference of Parties (COP27) to the United Nations Framework Convention on Climate Change in Sharm El-Sheikh, Egypt.

The data-to-action platform was set up as part of the UN Environment Programme’s (UNEP) International Methane Emissions Observatory (IMEO) strategy to get policy-relevant data into the right hands for emissions mitigation.

The system will be the first publicly available global system to connect methane detection to notification processes transparently.

More about MARS

Methane Alert and Response System will be the first publicly available global system capable of transparently connecting methane detection to notification processes.
It will use state-of-the-art satellite data to identify major emission events, notify relevant stakeholders, and support and track mitigation progress.
Beginning with very large point sources from the energy sector, MARS will integrate data from the rapidly expanding system of methane-detecting satellites to include lower-emitting area sources and more frequent detection.
Data on coal, waste, livestock and rice will be added gradually to MARS to support Global Methane Pledge implementation.
The Methane Alert and Response System is an important new tool to help pinpoint major methane leaks

MARS Components

Detect & AttributeIMEO will coordinate with the Committee on Earth Observation Satellites and work with existing global mapping satellites (ESA TROPOMI) to identify very large methane plumes and methane hot spots and conduct further analysis using other satellites (e.g. ASI PRISMA; ESA Sentinel-2; NASA Landsat; DLR EnMAP) and datasets to enable attribution of the event to a specific source.

Notify & Engage : IMEO will work directly and through partners to notify relevant governments and companies to large emission events happening in or near their jurisdictions or operations and will continue this engagement as more information becomes available.

Stakeholders Take Abatement Action : It will be up to the notified stakeholders to determine how best to respond to the notified emissions and share their actions with MARS to show initiative. As appropriate, MARS partners will be available to provide support services at this stage, e.g. assistance with assessing mitigation opportunities and support for mitigation actions.

Track, Learn, Collaborate, Improve : IMEO will continue to monitor the event location for future emissions as mitigation efforts proceed. Once the MARS system is fully operational, IMEO and partners will make data and analysis publicly available between 45 and 75 days post detection. IMEO will foster collaboration across the MARS ecosystem to draw lessons from these notified events that can be applied to improve MARS and methane action in general.

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