HeinzWittenbrink 30 Dec 2024 in Public https://www.derstandard.at/story/3000000250794/die-zehn-schlimmsten-klimakatastrophen-2024-kosteten-hunderte-milliarden-dollar 2024 Complexity Science Hub (CSH) floodings in central Europe September 2024 storm Boris Christian Aid floodings in Bavaria June 2024 floodings in Valencia October 2024 hurricane Milton hurricane Helene