Sea levels are rising faster and higher than ever before, giving rise to what the UN has described as an “urgent and growing threat” to people around the planet.

UN Secretary-General António Guterres has visited the Pacific Ocean nations of Tonga and Samoa in recent days, where he has met with local communities to discuss rising sea levels.
On 25 September, world leaders and experts will meet at the UN headquarters in New York to discuss how best to tackle this threat.
Here are the things to know about sea level rise.

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