As this year's BBC Reith lecturer Jeffrey Sachs will discuss an "overpopulated world on the brink of devastating change." This five-lecture series will only be available for 7 days after the first broadcast of each lecture.
His first talk "Bursting at the seams" calls for new solutions to extreme poverty and overpopulation. If you don't have a full hour to listen to the lecture, move to the question-and-answer part which features Geri Halliwell–a Spice Girl turned UN Goodwill Ambassador.
Those unconvinced by Mr. Sachs' worldview, will enjoy reading the rebuttal of his lecture by Dominic Lawson and Daniel Ben-Ami.
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