Animated views of world land areas for different sea levels

When I actually calculated what the land and sea areas of the Earth have been and might be in the future and when I considered the amount of time it takes for the sea level to change (even with our current high usage of energy and fossil fuels), I had a better perspective on the issue. It is a far more serious matter that, for example, in my lifetime the population of the Earth has more than doubled and a large fraction of the population has living standards that would generally be considered unacceptable.
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