Why Care About Water? | National Geographic
There is the same amount of water on Earth today as there was when the dinosaurs roamed. And just less than one percent of the planet’s water is available to meet the daily drinking water, sanitation and food needs of nearly 7 billion people and millions of other species. Learn more about water in all its forms and how you can make a difference. ➡ Subscribe: http://bit.ly/NatGeoSubscribe
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