In this episode of "At the Edge of It All," we sit down with Caroline Baillie, PhD, Professor of Integrated Engineering and Academic Director of USD’s Master’s of Engineering, Sustainability and Health Program. Baillie shares how a lifelong passion for social justice merged with her career in engineering. From researching the impact of mining on Indigenous women in Peru to challenging students through Plastic Free July, she explores how engineers can drive systemic change. Her message to others is to question assumptions, follow your values and collaborate across disciplines to build a more just and sustainable world.