<ul data-eligibleForWebStory="false">Methane detection via hyperspectral satellite imagery can aid in mitigating climate change by early leak detection.Onboard methane detection on satellites is proposed to overcome slow downlink rates cost-effectively.Efficient, low-power algorithms like Mag1c-SAS and CEM have shown promise for accurate and fast methane detection on resource-limited hardware.The research paves the way for improved onboard methane detection with minimal hardware requirements, enhancing timely data delivery.