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Director / Editor: Victor Teboul, Ph.D.
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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Peru’s ancient irrigation systems turned deserts into farms because of the culture − without it, the systems failed

By Ari Caramanica, Assistant Professor of Archaeology, Vanderbilt University
Ancient practices hold important lessons for farmers facing drying lands, but they were often more complex than modern societies realize. Glacier loss adds to the challenge today.The Conversation


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