ALT Fola Kolawole mapping large earthquake rupturing faults in the East African Rift Valley system. Courtesy of Folarin Kolawole

ALT Róisín Commane on a specialized aircraft to collect data on background trace gases across global oceans. Courtesy of Róisín Commane

ALT Mike Steckler and team disembarking into thick mud at low tide in the Sundarbans Mangrove Forest in Bangladesh, 2022. Courtesy of Mike Steckler

ALT Margie Turrin with students at the Lamont-Doherty Hudson River Field Station examining creatures in their seining net. Courtesy of Margie Turrin