National Geographic News

פורסם: 10.02.12, 9:42 am

Field of reference: Ecology

Description: If water lavel will rise it will be the biggest catastrophe.

"However, the biggest danger, many experts warn, is that global warming will cause sea levels to rise dramatically. Thermal expansion has already raised the oceans 4 to 8 inches (10 to 20 centimeters). But that's nothing compared to what would happen if, for example, Greenland's massive ice sheet were to melt."

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שייך לנושאים: 1-13 - חינוך אינטגרלי, -מקורות מדעיים, משבר, 2. לראשונה גלובלי

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