This document complements Deliverable 2.1 and provides an extensive account and description of the review and assessment of Citizen Science projects undertaken in CROPS’ WP2 with respect to their upscaling potential. This effort involved searching and ordering a total of 518 projects relevant to one or more of the 5 EU Missions. These projects have been reviewed with respect to 13 elements derived from the constructs defi ned in the CROPS Upscaling Framework, i.e. the factors that infl uence upscaling of citizen science. A qualitative evaluation and assessment of these projects led to the identifi cation of 76 projects as suitable for upscaling and thus for further consideration in this WP and project. These are presented in this document across the different missions. Lessons learned both from the evidence collected within each Mission (i.e. Mission specifi c) and across the Missions themselves (i.e. more generalisable for the Citizen Science discipline as a whole) are refl ected upon and provided.