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Scientists say that in the next 100 years, average temperatures ... by about 3°C. If melting ice s ... ea levels to rise by about 1 metre, whole countries a ... nd millions in low-lying areas th ... eir homes. Already, two small Pacific islands un ... der the waves. In Greenland, ice is melting three times th ... an just a few years ago. If the ice sheets of Greenland and Antarctica ever com ... pletely, sea levels will rise about 60 m. weat ... her patterns and rising sea levels threaten thousands of species. Natural disasters happen a lot these ... days and more and more climatologists now this is ... because of global warming. Climate change means extreme ... and unpredictable weather!