Measuring the Arctic Ice and sea levels

If someone tries to tell you that the seas are getting cooler and not warmer and therefore global warming is a myth then here is some food for thought. During the last five or six years satellite observations of sea ice in the Arctic Ocean show that the sea ice is shrinking and it is getting thinner. NASA has analysed data that it has collected from its satellites and thinks that the sea ice has thinned on average by about seven inches a year and the area covered by all year round sea ice has reduced in the past six years by 45%. Continue reading