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Ocean Acidification in the Coral Triangle image_2026-10-01_151653423 : -…

- - - - Paris Agreement commitments
      - Carbon pricing
      - Renewable energy transition
  - - - Regional Plan of Action
      - Shared monitoring networks
      - Capacity building
  - - - Mangrove restoration
      - Seagrass protection
      - Salt marsh conservation
    - - Coral Gardening
      - Selective breeding for acidification tolerance
      - Artificial reefs
    - - Nutrient runoff reduction
      - Wastewater treatment
      - Sedimentation control
    - - Alternative livelihoods
      - Aquaculture diversification
      - Education and awareness
  - - - pH sensors
      - Ω measurements
      - pCO₂ monitoring
  - - - Olivine dissolution:Olivine (Mg₂SiO₄) weathers: Mg₂SiO₄ + 4CO₂ + 4H₂O → 2Mg²⁺ + 4HCO₃⁻ + H₄SiO₄. This consumes CO₂ and produces bicarbonate, raising alkalinity.
      - Lime addition: Lime (Ca(OH)₂) dissolves: Ca(OH)₂ + 2CO₂ → Ca²⁺ + 2HCO₃⁻. This neutralises H⁺ and increases Ω. :
      - Electrochemical methods: Electricity splits seawater: 2H₂O + 2e⁻ → H₂ + 2OH⁻. The OH⁻ increases alkalinity; H₂ can be captured as fuel.
    - - Carbon credits generated from restoring and protecting blue carbon ecosystems — mangroves, seagrass, salt marshes
        
        How it works: Companies/countries buy credits to offset emissions → funds restoration → carbon stored in biomass/sediment
        
        Chemistry: Photosynthesis removes CO₂ (6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂); carbon stored long-term in sediment
- - - - Support Paris Agreement
      - Carbon pricing
      - Renewable energy
    - - Shared monitoring (SPREP, NOAA)
      - Policy harmonisation
      - Capacity building
    - - Marina Protected Areas
      - Blue carbon
      - Coral restoration
      - Pollution control
    - - Long-term pH/Ω monitoring
      - Research on resistant corals
      - Early warning systems
    - - PNG CEPA enforcement
      - CTI action plans
      - SDG 14 integration