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# 3.3 Sea level rise

Here is another one of the IPCC headline statements:

> Global mean sea level will continue to rise during the 21st century. Under all RCP scenarios the rate of sea level rise will very likely exceed that observed during 1971–2010 due to increased ocean warming and increased loss of mass from glaciers and ice sheets.

IPCC (2013)

## Activity 3 Tweeting

Allow approximately 15 minutes

Write a one-tweet summary of this headline.

(A text entry box would appear here, but your browser does not support it.)

### Answer

There is no correct answer, but here is Piers’ version:

Figure 8 Piers Forster’s tweet representing the IPCC (2013) headline statement on global mean sea level.

If you are interested to see them, here is the full set of Piers’ 18 tweets.

The IPCC (2013) predict it is ‘very likely’ that extreme high sea level will increase in frequency and/or magnitude.

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