A new super-efficient vertical farming system is helping increase food security and reduce the climate impact of food production for the 5 million residents of crowded Singapore.
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.
Supporters say a novel way of growing rice and other crops can quadruple yields with less seed, water and fertilizer. It could be an important hedge against climate pressures--if the gains are real.
Facing huge population, environmental and climate stresses, China is building what some call a "food pipeline" to import food free of competition on the international market.
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.
Since Costa Rica announced four years ago that it would become "carbon-neutral" by 2021, the country has become a laboratory for reducing the climate impact of agriculture.
Economist and food-policy researcher Shane Bryan says along with producing better tools, we need to foster environments in which those tools are truly useful.
