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Although genetically modified organisms (GMOs) themselves don't appear to have ill effects on human health, some researchers argue that the herbicides used on these crops are an overlooked health threat.
Heritage livestock breeds are going extinct at the rate of one species per month. In a 20-year project to cryopreserve genetic material from endangered North American breeds, SVF Foundation aims to insure against potential catastrophe.
We need to make better use of land, light and logistics for an increasingly urban population. And we need to incorporate zero-waste and low-energy technologies into the task of food production.