There are a few Google Maps mashups that show the possible effects of sea level rises on the Earth. The effect of a one and a half metre rise in Venice suggests that many of these mashups may be over optimistic in their predictions.
A two metre rise in Flood Maps produces the result in the screenshot below, which seems a little less severe than the actual effect of the 1.56m rise.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4-X-UozLjmMkpohlbJq94kCWq6y6MYKCgP63LYBr61J1a2YeNRKTkdkVoPQdwUWdeajIa7Eab5-wVIufu_0eLODzKkoRj7BLsSvn7y9WJ30DPAiG2N0kcbCeiL5wIZbeXbKgB1fZAEiY/s400/earth.jpg)
The Sea Level Explorer rightly predicts that Venice is in serious danger from even a small rise in sea levels. The screenshot below shows that a low level rise could cause serious problems in Venice.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDNSSuJ_J2dROvhru4uIQJGv5lBIzamCJo1XXrCA7g64DhS-R2sRxzR9IaEV3GzPBA45xsY2hbeeYIoiEe7nDo125eUqyL6Q9mXdXVOAXqxAoPz75okIruJXJK9-uy7Ti9iFtvia0Cms0/s400/earth.jpg)
This Sea Level Visualisation Mapplet suggests a 1.5m rise would not have the effect that today's 1.56m rise has actually had.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrziqJVHnfDhr2iHvUC469xZWMIUZhPxnj_p823_CwGWJSjQ54xgl1FNzDD4bkuGr3SKNdRvX7FLiFcN66QZApC09ZairSFrnAha2Z4PDqLe5bSFauscS2YKeZ2v41sVDdgKNxciejGmc/s400/earth.jpg)
You can of course use any of these three excellent Google Maps mashups to visualise the effect of sea rise on your own home.
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