Home Events Climate, Oceans, and Energy: Geophysical Opportunities and Constraints on Human Activities Climate, Oceans, and Energy: Geophysical Opportunities and Constraints on Human Activities Add to Calendar Time Zone Converter --Select One-- EST/EDT PST/PDT CET/CEST EET/EEST Location: Share share Ken Caldeira, from Global Ecology, will present his lecture on Friday September, 27, 2019, in the Greenewalt Lecture Hall as part of DTM's Weekly Seminar Series.Coffee, tea, and a light breakfast will be served before the lecture, at 10:30 a.m.