The first PROPL workshop explored how to close the gap between state-of-the-art programming methods being developed in academia and the use of programming in climate analysis, modelling, forecasting, policy, and diplomacy. The aim is to build bridges to the current practices used in the scientific community. The first edition of this workshop comprised: - invited talks - contributed talks - "working workshop brainstorming’’ format. https://popl24.sigplan.org/home/propl-2024