Did you catch environmental engineer Linsey Marr, Ph.D., on “60 Minutes” explaining how she was confident she knew COVID was an airborne virus (even when the World Health Organization was saying otherwise)? Learn more about her insights and latest observations as she joins “Conversations on Health Care” this week.

Hosts Mark Masselli and Margaret Flinter also discuss air quality and energy efficiency with Peter Templeton, president and CEO of the U.S. Green Building Council, who explains their LEED green building rating systems.