https://witnessingclimatechange.nd.edu 2022-03-22 1.0 https://witnessingclimatechange.nd.edu/the-course/ 2022-03-24 0.8 https://witnessingclimatechange.nd.edu/syllabus/ 2022-01-31 0.8 https://witnessingclimatechange.nd.edu/policies-and-assignments/ 2022-03-25 0.8