Jon Hanson will deliver Earth Day presentation at Saint Andrew’s School on Friday, April 28, 2023. The talk, titled “Systems Pollution,” compared and connected pollution of the environmental ecosystems with contamination of other systems — informational, institutional, and legal.

Below are some photos from the event (Credit: Liz Torrey)

Erin stands at podium speaking into microphone - right arm outstretched

Erin Hanson provides introduction. Credit: Liz Torrey

Jon Hanson stands next to podium with microphone in one hand.

Jon Hanson delivers Earth Day lecture, “Polluted Systems.” Credit: Liz Torrey