Today’s Solutions: May 19, 2022

Colombia, one of the world’s top producers of cocaine, plans to resort to an organic agriculture trick to destroy its most problematic crop — coca. The chemical herbicide glyphosate, which the government has been routinely using to spray the illegal plants, was recently declared carcinogen by the World Health Organization. Hence the decision to unleash a plague of caterpillars to do the job. Details are still in the works.

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“Blue Corridors”: using science and animal instinct to save fish populations

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