“Hidden Energy: Agriculture's Long-Term Sustainability" Professor Geoff Cunfer, University of Saskatchewan Monday, Oct. 21 3:00 – 4:30 pm Hill Auditorium, Barrows Hall For most of human history, farmers were society’s crucial energy suppliers. Agriculture set the limits of economic productivity. This pubic lecture explains how methods from sustainability science can reveal how farmers historically managed […]

Holocene climate change in southern Greenland from chironomid assemblages and oxygen isotopes in lake sediments Dr. Melissa Chipman, Syracuse University Thursday, October 24, 1 pm ~ Bryand 307 The Arctic is the most rapidly warming place on earth, and paleorecords offer insight into how this vast region responded to a complex suite of past changes. […]

A tale of ice and fire – using lake sediments to understand fire regimes and permafrost thaw in the Arctic Dr. Melissa Chipman  - Syracuse University Friday, October 24, 3:10 pm ~ Murray 102 Amplified warming has facilitated dramatic examples of disturbance in the Arctic. Both tundra and boreal areas have experienced unprecedented wildfire activity […]