1. Introduction 2. Plant communities/ land use as modulators of soil C storage 3. Microbial modulators and mechanisms of soil carbon storage 4. Leveraging new understanding of how belowground food webs stabilize soil organic matter to promote ecological intensification of agriculture 5. Climate, geography and soil abiotic properties as modulators of soil C storage 6. Coupling N and P cycling to the impact of biotic interactions 7. Management practices and soil C storage 8. Impact of global changes on soil C storage- possible mechanisms 9. Projecting soil C under future climate and land-use scenarios (modelling)