National Geographic 33 changemaker and National Geographic Explorer Margaret Wickens Pearce is a cartographer who uses maps to depict Indigenous knowledge and relationships to the land. Learn more about Pearce’s approach to mapmaking: #NatGeo33#

A Citizen Potawatomi tribal member, she’s reenvisioning how maps communicate Indigenous knowledge, revealing layers of understanding that can inspire people to more sustainably address issues like habitat loss, aging infrastructure, and increasingly severe flooding.