IAH Korean National Chapter (IAH-KNC) and Korea Institute of Geoscience and Mineral Resources (KIGAM) are honored to host the 45th IAH Annual Congress in Daejeon, Korea. The meeting theme is "Groundwater and Life: Moving Science and Technology into Action". Groundwater is essential element for life, contributing to the very survival of humans and all other forms of life on the earth. The meeting will offer an opportunity to alert people groundwater as an essential element for prolonging lives and conserving ecosystems. It especially focuses on how to call groundwater science, technology, and policy-making to action for the realization of equality in water rights to ensure that people enjoy sufficient, safe, and affordable water regardless of where they are born, where they live, or who they are.