3578 Hartsel Drive #583Colorado Springs, CO 80920, USA Unsubscribe · Preferences Catastrophism Special Issue | The Observer Review Welcome to the Catastrophism Special Issue of The Observer Review! To download, click below: Catastrophism Special Issue You can also view this issue at: https://theobserver.kit.com/profile/posts The Observer Review, written by Ben Davidson and contributors, is a monthly publication that discusses the main scientific findings surrounding space weather, climate...