To receive the German logo, the product must be completely free of gene technology, with a contamination allowance of up to 0.1%. Food verified by the not-for-profit Non-GMO Project allows up to 0.9%.

Demand for logos depicting grass, forests and leaves have spiked by 60 per cent, plant pots by 158 per cent and those featuring nature more broadly by a huge 188 percent. The focus on nature ...