TRUTHS (Traceable Radiometry Underpinning Terrestrial- and Helio- Studies), under development by NPL in partnership with a consortium of partners, is a proposed satellite mission that can provide an in-orbit SI traceable calibration system to underpin and upgrade the measurement accuracy of the global Earth observation system, enabling the provision of climate data of sufficient quality to facilitate timely investment in climate adaptation, mitigation, policy and services.
TRUTHS will not only boost the performance of other satellites, but will provide invaluable benchmark data on the status of the Earth's climate at unprecedented accuracy - a factor of 10 better than current sensors - allowing scientists to identify trends from the noise of natural background variation in the shortest time possible. It will also improve our understanding of carbon and water cycles, critical to ensure fair and indisputable attribution. These outcomes are crucial in providing the robust evidence needed to enable concerted international action on climate change.
- The Royal Society has published a report called 'Observing the Earth' which highlights the proposed satellite mission TRUTHS as a key part to meeting the challenge of creating a full climate observing system from space.
- NPL pitches its proposed TRUTHS mission as a technology 'moonshot' at Google's inaugural UK Solve for X event.
- £1.25M is to be invested for TRUTHS mission through a new grant from UKSA together with investment from NPL and Airbus Defence and Space.
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