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Climate, Land, and Oceans Key Takeaways
Expected time required: 1 min
- Climate change is a core planetary boundary already far beyond the safe threshold. It disrupts temperature, weather, sea levels, and global ecological stability.
- Land-system change alters Earth's surface through deforestation, agriculture, and urbanization, weakening the planet’s ability to store carbon and support biodiversity.
- Ocean acidification is caused by excess CO₂ being absorbed by seawater, reducing pH levels and threatening marine life, especially coral and shell-building organisms.
- All three boundaries are interconnected: deforestation contributes to climate change; climate change warms oceans; acidification harms ocean ecosystems that regulate the climate.
- Addressing these boundaries requires global cooperation, local action, and a commitment to protecting both visible and invisible systems that make life on Earth possible.