The summer issue of The Bridge discusses leveraging new and emerging technologies, infrastructure, innovative approaches, and a resilient supply chain to ensure a stable and reliable supply of critical materials far into the future.

• President's Perspective: The Power of Member Engagement
• Editor in Chief's Note
• Guest Editor's Note: The Future of Critical Materials

This issue features articles by 2023 US Frontiers of Engineering symposium participants. The articles cover pressing global issues including resilience and security in the information ecosystem, engineered quantum systems, complex systems in the context of health care, and mining and mineral resource production.

• President's Perspective: The Diversification of the National Academy of Engineering
• Guest Editor's Note: The Grainger Foundation Frontiers of Engineering 2023 Symposium
• From Accidental Rumors to Pervasive Disinformation A Decade of Misinformation Research

This issue explores the energy transition needed to address the mounting threats of climate change. The articles are an excellent resource to help inform meaningful decisions and steps for energy-related contributions to reduce carbon emissions.

• President’s Perspective: Tribute to Great Engineering Leadership
• Editor's Note: Transition at The Bridge
• President’s Introduction The Goal of a Net Zero Carbon Energy System: The Importance of How