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How the Next El Niño Could Lock in a Hotter Climate - Yale E360
Abatify Summary
Nature & Climate Perspective
**Recurring El Niño events threaten to permanently transition critical terrestrial and marine carbon sinks into net emitters, fundamentally destabilizing global LULUCF projections. **
- Extreme heat spikes accelerate the degradation of tropical biomass, potentially pushing the Amazon and other high-carbon biomes toward irreversible savanna-state tipping points.
- Disrupted precipitation patterns increase the frequency and severity of wildfires, causing massive instantaneous releases of sequestered carbon that bypass standard decadal recovery cycles.
- Marine heatwaves associated with these cycles jeopardize Blue Carbon stocks by causing mass mortality in seagrass and mangrove ecosystems, reducing long-term oceanic sequestration capacity.
Market & Policy Outlook
**The intensification of El Niño cycles elevates 'Permanence' risk for nature-based solutions, directly challenging ICVCM Core Carbon Principles (CCPs) regarding long-term credit integrity. **
- Market pricing for nature-based credits may see increased volatility as insurance buffer pools are depleted to cover climate-induced reversals in Article 6.4 and voluntary market projects.
- Financial liquidity for LULUCF projects is threatened by the rising cost of 'Reversal Risk' assessments, potentially shifting investor preference toward high-permanence technical removals like DAC.
- Corporate compliance with SBTi Net-Zero standards will require more robust climate-stress testing of supply chains (Scope 3) to account for El Niño-driven commodity price shocks and production failures.
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