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Queensland's rainforests, once carbon sinks, now emit more carbon due to climate change-driven tree deaths.
Australian tropical rainforests in Queensland have shifted from absorbing carbon to releasing it, a new 49-year study reveals.
Analyzing 11,000 trees across 20 sites, researchers found woody biomass declined sharply starting around 2000, driven by climate change impacts like hotter temperatures, droughts, and stronger cyclones.
Despite higher CO₂ levels, tree deaths now exceed growth, turning these forests into net carbon sources.
The change, linked to extreme weather events and reduced water availability, occurs in forests with minimal human disturbance, highlighting climate change as the main driver.
Scientists warn this shift could undermine global climate goals, suggesting tropical forests may no longer reliably absorb emissions, with potential implications for ecosystems worldwide.
Las selvas tropicales de Queensland, una vez que sumergen carbono, ahora emiten más carbono debido a la muerte de árboles provocada por el cambio climático.