n-a-s-a: All the Water on Planet Earth Illustration Credit & Copyright: Jack Cook, Woods Hole Oceanographic Institution, Howard Perlman, USGS Explanation: How much of planet Earth is made of water? Very little, actually. Although oceans of water cover about 70 percent of Earth’s surface, these oceans are shallow compared to the Earth’s radius. The above illustration shows what would happen is all of the water on or near the surface of the Earth were bunched up into a ball. The radius of this ball would be only about 700 kilometers, less than half the radius of the Earth’s Moon 
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n-a-s-a:

All the Water on Planet Earth

Illustration Credit & Copyright: Jack Cook, Woods Hole Oceanographic Institution, Howard Perlman, USGS

Explanation: How much of planet Earth is made of water? Very little, actually. Although oceans of water cover about 70 percent of Earth’s surface, these oceans are shallow compared to the Earth’s radius. The above illustration shows what would happen is all of the water on or near the surface of the Earth were bunched up into a ball. The radius of this ball would be only about 700 kilometers, less than half the radius of the Earth’s Moon 

futurejournalismproject: How Much Water Does it Take to Make Your Food? Today is World Water Day.  The UN has a site about water and food security issues here. Image: 142 liters of water are needed to produce the 8 tomatoes, 1.5 slices of bread and portion of butter to make this meal. Via the UN World Water Day Flickr account.
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futurejournalismproject:

How Much Water Does it Take to Make Your Food?

Today is World Water Day. 

The UN has a site about water and food security issues here.

Image: 142 liters of water are needed to produce the 8 tomatoes, 1.5 slices of bread and portion of butter to make this meal. Via the UN World Water Day Flickr account.