Prof. Sommer will speak on “The State of World Climate 2025 - has the Earth reached its buffering capacity on CO2 and heat absorption?”

10 AM Arizona Time, on Saturday, February 22

https://actionnetwork.org/events/talksommer2025feb

STEFAN SOMMER, Ph.D.

Science Communicator, film producer, author, and public speaker. Founding Board member and speaker for the Northern Arizona Climate Change Alliance (NAZCCA.org). Founding Board member and speaker for NAU’s Sustainable Ambassadors Program. Affiliate in NAU’s Department of Biological Sciences and Center for Adaptable Western Landscapes, with expertise in community ecology, sustainability, climate change, and education outreach. Sommer writes for the Arizona Daily Sun as author of the column “Spotlight on Climate” and served as executive producer of four award-winning PBS documentaries on biodiversity and habitat conservation.