What Is Book and Claim? And Why Is It Important for ZEMBA?

The Science Based Targets Initiative (SBTi) recently recognized the environmental attributes from book and claim systems as legitimate tools for ZEMBA’s corporate members to achieve science-based targets. But what is book and claim?
As seen in BunkerMarket: Maritime Leaders Urge SBTi to Back Indirect Mitigation in Net-Zero Strategy

BunkerMarket covered ZEMBA, Katalist, and 13 pioneering organizations’ open letter to the Science Based Targets initiative (SBTi) on its draft Net Zero Standard 2.0.
As seen in Trellis: Shipping borrows from aviation with new tool for counting emissions reductions

In December 2024, Trellis covered the launching of Katalist, the book and claim registry that ZEMBA will be utilizing for ZEMBA’s inaugural tender.