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Tuvalu

Tuvalu is the fourth smallest country in the world and one of the lowest-lying, with its highest peak only reaching 4.6 metres high.

El Niño and La Niña are two extreme phases of a natural climatic cycle, occurring every three to five years and causing erratic weather conditions across the globe.

Changes in the weather over the Pacific can influence weather systems on a global scale, causing droughts in some areas and storms in others.

Over the last 100 years, global sea levels have risen by 10-20cm; if these rates continue, it is predicted that Tuvalu may be uninhabitable in 100 years’ time.

In 1986, divers discovered a large underwater cave off Tuvalu’s Nanumanga Island, more than 40 metres deep with evidence of ancient human habitation.

The Nanumanga Cave indicates that people inhabited the Pacific at least 8,000 years ago; 2,000 years earlier than was previously thought.
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Flying at 13,000m - El Niño and La Niña

 

Flying at 2,000m - Islands at risk

 
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© 2014 Royal Geographical Society (with IBG)