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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 However, it is beginning to be slightly outdated (5-6 years old): many of the links are broken in quizzes, and the content he talks about has changed in reality (SDGs were finalized after this course was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.

A lot of the information was a bit out of date and most of the discussion forums have not been updated in a couple years and are not monitored for recent posts. Also on the quizzes there were frequent issues where the correct answer could never be found even if you choose one option every time you take it. It was an interesting course but could definitely use updating.

The course is excellent, I'd love the way the professor explain in detail each topic. However, some data are out-of -date and some links in the quizs are broken. moreover, some questions are wrong because of the data used. Finally, It is a shame that after dedicate 15 weeks in this course, coursera or UNDP don't give us a diploma or certificate of completion.

I learned a lot and the course was exciting. However I was disappointed to find out that after 13 weeks of studying there is no certificate, Yup, you have nothing to show for. Some of the links used in quizzes do not work, i.e. one could lose points. While the course is very good, it seems no one bothered to verify or update

Sachs is doing valuable work and I like the premise of the course very much. The videos seemed to present a lot of painfully obvious information, however, and I'm afraid they were not terribly engaging. Maybe just too much/too long? A shorter version of the course that digs in a little deeper somehow might be more alluring.

It gives a well based numeric approach to sustainable development, but fails to approach some subjects from an ethical point of view. At some time, Prof. Sachs points out a few numeric indicators that favor economic development, but when talking about reaching these numbers, he offers more than debatable ways.

Many of the links didn't work, thus it was difficult to find the sources to fulfill the test requirements. If I would have known that the course material is over 10 years old, I would have not opted for this course. Prof. Sachs' knowledge and enthusiasm is wonderful. Many thanks to him for sharing this.

The material is of great importance. My notes are: the length of the videos is relatively long and I found it a little bit difficult to focus all the time through the video. Secondly, the course material is not updated, there are missing link pages in some quizzes. However, the course overall is good.

The course content is interesting to learn and substantial. However the "assignments" or "quizzes" are not updated and asks for information from links that no longer exist. Some of the information is dated, but overall, provides a through foundation for someone interested in sustainable development.