Rice sustains half of humanity, but its cultivation uses 30% – 40% of global freshwater and causes 10% of world methane emissions. Israel’s Netafim has just tested drip-irrigation of 2,470 acres of rice fields in Europe and Asia. For the same yield it used 70% less water and caused zero emissions.
https://www.ynetnews.com/business/article/BJsOVxU2D?prof=3085.EMoney-10006.Technology