PIEVC WEBINAR SERIES: - PIEVC Green - February 16, 2023 PIEVC Program Webinar Series –

risk matrix) • Infrastructure lens From GIZ EbA CRA Guide: • Systems thinking, EbA and SES concepts • Rationale for systems approach • Key methodology: impact chains and vulnerability indicators PIEVC Green Protocol Content • Part A: Setting the Scene (20 pages) • Key concepts in PIEVC Green • Fundamentals of a climate risk assessment • Managing an interdisciplinary team • Part B: Climate Risk Ass. [...] Bathymetric survey at the Metolong Dam PIEVC Webinar Series Assessing green infrastructure climate risks in Lesotho in pursuit of climate resilient water supply February 16, 2023 Matsolo Migwi, Integrated Catchment Management Unit Lesotho Ministry of Natural Resources, Lesotho Structure of the presentation ✓ Context of the Assessment ✓ Objectives of the assessment ✓ The role of green infrastructur. [...] 25 The exposed Metolong Dam System The Metolong Dam and Water Supply Programme (MDWSP) aims to increase access to water and improve the reliability of water supply to urban and peri-urban areas in Maseru (capital city of Lesotho). [...] Amount of water discharged every day: 1671 masl • Reservoir capacity 63.686 Million m3 • Catchment Area of the dam: 268 km2 26 OBJECTIVES of the PIEVC Assessment 1 2 3 Set the baseline for Build capacity on Risk Apply the PIEVC green advancing on Integrated Informed Development protocol to understand Catchment Management for resilient water supply water security in Lesotho (ICM) 27 Assessment scal. [...] Bio-physical Cascading impacts water storage Cascading impacts impacts reduction) Socio-economic Institutional drivers of impact drivers of imact (vulnerabiliy) and vulnerability 33 Drivers of unsustainable land use practices leading to land cover decline 34 Compounding effects of Climate change and water ressource degration on siltation rates of the reservoir 35 Impacts on the reservoir lifecycle.