0.30 percent Earth's Freshwater - National Geographic Society https://www.nationalgeographic.org/media/earths-fresh-water/ 3% of the world’s water is freshwater https://www.nationalgeographic.org/media/earths-fresh-water/ http://www.nationalgeographic.org/media/earths-fresh-water/ https://www.nationalgeographic.org/media/earths-fresh-water/ https://www.nationalgeographic.org/media/earths-fresh-water/ https://www.nationalgeographic.org/media/earths-fresh-water/ https://www.nationalgeographic.org/media/earths-fresh-water/ 출처 less than one percent of the water on earth only 0.3% is sustainable for human use 0.30 percent National Geographic reports https://www.nationalgeographic.org/media/earths-fresh-water/ https://www.nationalgeographic.org/media/earths-fresh-water/ Only 3% of the water is fresh water