Gambia: On Sea Level Rise!

Even if the world stopped emitting greenhouse gases tomorrow, ocean levels would continue to rise. Not only is dangerous sea level rise"absolutely guaranteed", but it will keep rising for centuries or millennia even if the world stopped emitting greenhouse gases tomorrow, experts say.

Part of the problem is the that even if the world stopped emitting greenhouse gases immediately - which it will not - sea levels would continue to rise. Even in the best-case scenario, it's too late to hold back the ocean.The reason for this is not widely known, outside the science community, but is crucial. The systems causing sea level rise - specifically, the thermal expansion of the ocean and the melting of glaciers and ice sheets due to global heating - have a centuries-long time lag.

The climate crisis has many other hazards, of course: blistering heatwaves, droughts, floods and more extreme weather events. But there is a certain apocalyptic inevitability to a rising ocean. The impact is hard to gauge because the ocean does not rise at the same speed uniformly, it's not like a bath. For one thing, Earth is not a perfect sphere; temperatures are also different across the planet, and are affected by ocean currents. The impact of sea level rise are boosted by storm surges and tidal variation, as happened during Hurricane Sandy in New York and Cyclone Idai in Mozambique.

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