What are the factors in the melting and changes in Polar ice?

Explanation:

Rising Seas endanger coastal cities and Small Island Nations by exacerbating coastal flooding and storm surge, making dangerous weather events even more so. Glacial melt of the Greenland Ice sheet is a major predictor of future sea level rise;if it melts entirely,Global sea level could rise 20 feet.

i do believe that its called,(the segovia highlands); plz check first good luck;