NASAのインスタグラム(nasa) - 3月23日 00時28分

It's World Water Day! While our home planet is about 71 percent water, only 3 percent of that is available as fresh water. And many people do not have access to safe and clean water sources. On a water planet like Earth, "following the water" is a massive undertaking but one that is essential to predicting the future of our climate and the availability of water resources around the globe.

Viewed from space, the most striking feature of our planet is the water. In both liquid and frozen form, it covers 75% of the Earth's surface. It fills the sky with clouds. Water is practically everywhere on Earth, from inside the rocky crust to inside our cells.

Image Credit: NASA/MODIS

#space #water #clouds #nasa #worldwaterday #earth #earthrightnow

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