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This course has very valuable information and I learned a lot! However, it is beginning to be slightly outdated (5-6 years old): many of the links are broken in quizzes, and the content he talks about has changed in reality (SDGs were finalized after this course was created). I did not find the quizzes to be reflective of content from the videos, and often had you navigate to third party sites (assuming the link worked at all). The videos are also somewhat dry and topics repetitive. That said, I really enjoyed learning about the interconnectedness of environmental issues with social and political ones, and would still recommend this course to anyone looking to get a foundation in sustainable development.

Very good course, I enjoyed it very much and appreciated the educated and polite style of Prof. Jeffrey Sachs. I would have appreciated a copy of the figures and grafique shown. The course release in 2012 would need to be updated. The Quizz need a real involvement of the student to be completed; challenging but I personnaly appreaciated very much. The Quizz would need some profound revision since some links are not available anymore and some answer are simply wrong. A Statement from the Columbia University / Prof. J. Sachs would have been welcome since completing the 14 week course imply a real involvement from the student. Overall very appreciated course, Thank Prof. Sachs!

Many of the links in the quizzes after the videos are expired, it would be helpful to make the quizzes with new links to new data to explore. Furthermore, there could be more controversion about solutions. It seems as if there are many easy solutions and that Professor Jeffrey Sachs knows them all, but the real world is often more complex than that and there are different opinions in the scientific community.