Steven Earle, PhD, has worked as a geologist and developed and taught university-level courses in earth sciences and climate change for over four decades. He is the author of the IPPY award-winning A Brief History of the Earth's Climate and the widely used post-secondary textbook Physical Geology, now in its second edition. A dedicated community activist, he spearheads local engagement with climate change solutions including low-carbon transportation initiatives, heating systems, and land stewardship. Steven and his family live in a nearly net-zero house on a small sustainable farm on Gabriola Island, BC, Canada.