In this episode of the Engineering Influence Podcast, ACEC’s Thomas Grogan sits down with Dan Palo of Barr Engineering to unpack one of the most important—and often overlooked—topics shaping our future: critical minerals.

What exactly makes a mineral “critical”? Why are materials like lithium, rare earth elements, copper, and uranium suddenly at the center of conversations around energy, infrastructure, and national security?

Dan breaks it all down—exploring how these essential resources power everything from batteries and electrification to data centers and advanced technologies. The conversation also dives into the growing urgency around supply chain resilience and how the U.S. is responding through research investments, public–private partnerships, and renewed efforts to boost domestic production.

But it’s not without challenges. From complex permitting processes to workforce development gaps and the need for better recycling and reuse (circularity), the path forward requires coordination, innovation, and long-term thinking.

The episode wraps with a grounded, practical message: building durable, bipartisan support for domestic critical mineral development starts with better public understanding. Education, transparency, and collaboration will be key to securing the resources that underpin modern life.

Tune in for a thoughtful, forward-looking conversation on the materials powering our world—and what it will take to ensure a stable, sustainable supply for generations to come.