This report includes a concise Information Paper that provides recommendations to the IPCC for the Sixth Assessment Cycle, in particular to the leadership of Working Groups I and II. This Report also contains summaries of the discussions in the plenary sessions and in the breakout groups. It further includes the abstracts of the keynote and perspective presentations as well as the poster abstracts presented during the Workshop. The meeting brought together 110 experts from 52 countries to discuss regional climate projections and their use in impacts and risk analysis studies. The workshop included experts from the Working Group I and Working Group II communities, including scientists from the climate modelling community, the regional modelling and downscaling community, and the climate impacts and risk analysis communities