​This week Toby and Megha welcome Dan Maxbauer and Sean McCauley from Alkali Earth to present and discuss the company's novel process which delivers high-quality, permanent, and verifiable CDR through optimized application of alkaline industrial minerals in gravel roads.Alkali Earth: https://www.alkali.earth/​About Dan:​Dan Maxbauer is Alkali Earth's Co-Founder and Science Lead. Dan is an Assistant Professor of Geology at Carleton College and has expertise in mineral weathering and carbon cycling along with past experience consulting on carbon removal methodologies and project review with Verra, Frontier Climate, and XPRIZE.​About Sean:​Sean McCauley is Alkali Earth's Co-Founder and Business Lead. Sean is a Carleton College geology alumnus, PhD geochemist from Cal Berkeley, and has spent a long career working in consulting and private equity with large corporations such as McKinsey, TPG Capital, Target, and Charles Schwab.