Desert dig uncovers caches of missing CO2
Surprising arid “carbon sinks” keep massive amounts of climate-altering gas out of the atmosphere

COVERT CARBON Desert aquifers, fed by rain, surface and irrigation waters, hoard hundreds of billions of metric tons of carbon pulled from the atmosphere, new research suggests. The irrigation water flushes the carbon deep underground, report researchers who studied China’s Taklamakan Desert (shown).
Yan Li