This is a decent video from the BBC, giving an overview of the current issues facing the world in terms of food--petroleum dependency, ecological destruction, fisheries management, changes in diet, etc. I don't think there were any really new insights for me in the video, but again, it's a good overview, hitting all the important topics.
For some reason they don't let me embed the video in my blog, so you'll just have to follow my link to their page.
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