Global Warming refers to the rise in the average temperature of the Earth which causes the rise in the water level.
The global warning is owed to :
The global warming causes the green hause effect.
The global warming causes the ice melted aproximatly 2,6% by decades, she could disappear in 2016. The ice has melted 50% during 1950-1975.
The melted of ice could causes the disparition of some animals like white bears or pinguins.