Demand for animal protein is surging, and so are the environmental costs of producing it. So researchers in the Netherlands are exploring alternatives to livestock, from insects to faux cuts of beef to lab-grown meat.
Efforts to make better use of food resources growing within the city are taking root in Seattle. It's part of a movement to bring urban foraging from the margins to the mainstream as a hedge against food insecurity and climate change.
Synthetic fertilizers contribute mightily to climate change. So now there's a growing push in India to return to the ancient practice of using human waste as fertilizer, but with modern sanitary safeguards.
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