Governments around the world are being pressed to find and support alternatives to reduce dependency on chemical fertilizers as the Iran war drives up prices. The Gulf region produces 30% of globally traded chemical fertilizer. That’s caused concerns about food supply. Experts say the shift away from chemical fertilizer could benefit the environment since its production and use cause significant global greenhouse gas emissions, the main driver of climate change. In Senegal, farmer Abou Sow has turned to organic compost. In Brazil and India, farmers are exploring biofertilizers and natural farming. But there are challenges including in scaling up availability.