As the world heats up, the sea levels are rising. Many experts warn that dramatic sea-level rise is global warming's biggest danger. Two main factors are behind this: thermal expansion of the ocean and melting Ice.
First, as the ocean gets wanner from global warming, its volume expands. This is basic science: water expands as it heats up. Thermal expansion has raised the oceans about 10 to 20 centimeters (4 to 8 inches), according to the International Panel on Climate Change (IPCC).
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/doubly-threatened-ice-caps-and-sea-levels
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/international-herald-tribune-bangkok
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ipcc
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sea-level-rise
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/glacial-melt
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/greenland
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/antarctica