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Tanager-2 Launch: Enhancing Methane Monitoring and Climate Action

On October 1, 2026, the Tanager-2 satellite successfully entered orbit aboard the SpaceX Transporter-18 rideshare mission. Developed by Planet Labs PBC in collaboration with the nonprofit Carbon Mapper, Tanager-2 represents an important advancement in efforts to monitor and mitigate methane emissions globally.

Expanding Observational Capabilities

The Tanager satellites are specifically designed to detect high levels of methane emissions with exceptional detail. The launch of Tanager-2 significantly increases the frequency with which data on these emissions can be collected, providing greater transparency to governments and organizations working to reduce greenhouse gases. Following the success of Tanager-1, which has been operational since its launch in August 2024, this new satellite is set to build on that foundation by making even more data available for actionable insights.

Historical Context and Recent Successes

In early 2026, Tanager-1 detected a substantial methane plume from an oil and gas facility in Texas, identifying an emission rate of approximately 1,500 kg of methane per hour. This detection prompted swift action by local regulators, who confirmed the leak came from a gas gathering pipeline. With timely interventions, the leak was fixed, demonstrating the satellite's capacity to influence real-world outcomes through data-driven decision-making.

In less than two years, Carbon Mapper has utilized findings from Tanager-1 to drive down methane emissions significantly across various sectors, including oil and gas, waste management, and agriculture. Tanager-2 aims to expedite this process even further, helping to locate super-emitting sources of methane that contribute disproportionately to overall emissions.

The Importance of Methane Reduction

Methane is a potent greenhouse gas, believed to be 80 times more effective than carbon dioxide at trapping heat in the atmosphere over a short time frame. Therefore, targeting methane emissions is crucial for immediate climate action. Super-emitters, which are responsible for up to 50% of total methane emissions in certain regions, represent a critical opportunity for mitigation efforts. Identifying these sources and acting quickly can lead to substantial reductions in just a matter of weeks.

Public Data for Public Good

A priority for Carbon Mapper is to ensure that methane and CO2 data at a global scale is accessible to everyone. Since 2024, more than 15,200 methane plumes have been cataloged, involving around 5,400 different emissions sources. The data garnered from Tanager-2 will allow Carbon Mapper to provide even more real-time updates, maximizing its utility for decision-makers and stakeholders worldwide.

Broader Implications for Governance and Policy

The significance of Tanager-2 extends beyond its own operations; it represents an emerging framework in which satellite data can drive policy changes at local and international levels. UN initiatives have recently emphasized the critical need for stronger methane mitigation actions, and the data from Tanager-2 can significantly bolster governmental responses to these emissions. For instance, California's Air Resources Board is amplifying its efforts to tackle methane leaks and proposed landmark rules to regulate super-emitters more effectively.

Future Developments

Moving ahead, Carbon Mapper plans not only to utilize Tanager-2 but also to develop additional satellites to capture an even wider array of atmospheric gases. This multi-tiered approach positions Carbon Mapper to proactively combat climate change by informing and empowering various stakeholders in their methane abatement efforts.

In conclusion, the launch of Tanager-2 is a promising leap forward in the fight against climate change. By enhancing our ability to monitor methane emissions, this satellite serves as a crucial tool for driving accountability and action across sectors and regions, emphasizing the need for collaborative efforts toward a sustainable future.