Next free Exploring Ethics event will discuss: What is in the air we breath?, presented by Vicki H. Grassian, Ph.D., Executive Associate Dean, Division of Physical Sciences at the University of California, San Diego.

The atmosphere is composed of gases such as oxygen, nitrogen and carbon dioxide. Other gases are present at much lower concentrations and include ozone, nitrogen oxides, sulfur oxides and formaldehyde just to name a few. Besides these gases, there is something else in the air we breathe: tiny microscopic particles called aerosols. Not just the aerosol that comes from spray cans that you are all probably familiar with but this talk will focus on any liquid or solid particles that are suspended in the air, which is the definition of an aerosol. These tiny particles come from many sources and can impact the Earth’s climate and human health in ways we are just starting to understand. In this talk, there will be a discussion on the air we breathe in both indoor and outdoor environments, focusing on some of the newest research findings recently published.

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