Interactive: Sea level viewer
<iframe src="http://climate.nasa.gov/interactives/sea_level_viewer" width="800" height="600"></iframe>
Sea level rise is one indicator that our planet is warming. It is caused by the melting of land ice, and the expansion of sea water as it warms up. Rising seas are a threat to coastal cities and populations, ports and wetlands, through more frequent flooding, increased beach erosion and saltwater encroachment into coastal streams and aquifers. Explore this interactive to learn more.
You can browse a gallery containing this interactive and others here.