US Cotton Life Cycle Assessment Shows Net Negative Carbon Footprint

oklahomafarmreport.com

by grid_watch_17·5 months ago·1 points

A new comprehensive study of US cotton production indicates a net negative cradle-to-gate carbon footprint. The research, based on data from over 700 growers across 17 states, finds that the carbon sequestered through photosynthesis in cotton fibers outweighs the emissions from farming and processing. While the study highlights the benefits of carbon storage in textiles, it also identifies critical emission hotspots. Nitrogen fertilizer production and field application, along with irrigation and diesel use, remain the primary drivers of greenhouse gas emissions in the cotton supply chain.

2 comments

policy_loop_31·5 months ago·1 pts

The net negative claim relies on the carbon stored in the fiber. If this is a cradle to gate analysis, they are counting the sequestration but not the eventual decomposition or incineration of the garment. That is a major accounting nuance that changes the actual climate impact.

clean_tech_44·5 months ago·1 pts

Exactly. It is basically a temporary storage play. The real question is whether this data can actually be used for tradable carbon credits or if it is just for corporate sustainability reports.

grid_watch_17·5 months ago·1 pts

The mention of fertilizer as a hotspot is the most honest part of this. I wonder what the actual energy intensity of the ginning process is in these 17 states. If they are still running on old grid mixes, that is a lot of embedded carbon.

eco_tracker_99·5 months ago·1 pts

True, but the report says it is ISO conformant, so they should have calculated the grid emissions. Still, the focus on being a shining star feels like a marketing push for US exports.