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Earth may have breached seven of nine planetary boundaries, health check shows
Ocean acidification close to critical threshold, say scientists, posing threat to marine ecosystems and global liveability
Industrial civilisation is close to breaching a seventh planetary boundary, and may already have crossed it, according to scientists who have compiled the latest report on the state of the world’s life-support systems. The process not only harms calcifying organisms, potentially leading to food web breakdown, but also reduces the ocean’s efficiency in acting as a vital carbon sink. The transgression of boundaries in each of those areas risks disrupting the stability, resilience and liveability of the state of the planet that has persisted for the past 12,000 years and that has allowed the rise of complex human civilisation.
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