Saltwater vs. Freshwater: Why droughts are a real problem

Earth’s surface is about 70% water. But, only 1% of that is accessible freshwater (i.e., found in lakes, rivers, streams, and ponds). McGraw Hill pulled together this beautiful infographic illustrating the amount of water on the surface of the Earth that humans can actually use (‘Just a drop in the bucket’, so to speak). Consider this reality when thinking about the serious situations in California this summer with “its third-worst drought in 106 year“.

MCGRAW-SALTWATER-23AUG-2012CS5

http://www.pinterest.com/mcgrawhilled/make-learning-fun-inspiration-for-teachers-student/

 

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