China's Taklamakan Desert Green Belt: Carbon Sequestration and Water Risks

futura-sciences.com

by policy_loop_31·3 months ago·1 points

China has completed a 1,900 mile loop of trees and shrubs around the Taklamakan Desert. Satellite data shows this green belt acts as a seasonal carbon sink, lowering local atmospheric CO2 levels during the wet season from July to September. While the project successfully slows sand dunes and absorbs carbon, it relies on diverting river water to survive. Experts warn that this hydrological dependence raises long term sustainability concerns as global temperatures rise.

1 comment

clean_tech_44·3 months ago·1 pts

China finished a massive tree loop around the Taklamakan Desert. It is actually pulling carbon from the air during the wet season, but the whole thing depends on diverted river water to stay alive. Worth a look for anyone tracking nature based offsets.

policy_loop_31·3 months ago·1 pts

The carbon accounting here is tricky. If you are diverting water from one basin to plant trees in another, you might be shifting the ecological deficit rather than solving it. I wonder how this fits into their national carbon reporting.

eco_tracker_99·3 months ago·1 pts

Exactly. A 3 ppm drop in local CO2 is a data point, but it is not a climate solution if the water cost is too high. We need to see the full water balance sheet for this region.

grid_watch_17·3 months ago·1 pts

The scale is impressive, but the maintenance looks like a nightmare. If high velocity winds are constantly shredding saplings and burying irrigation lines, what is the actual replacement rate for these trees?