the earth is called a blue planet, still we face water shortage. why? Share with your friends Share 7 Navneet Chawla answered this Though our Earth is called the blue planet, yet we face water shortages because our of 2/3 rd of the water available only 1 % is fit for use for human purpose. -2 View Full Answer Khushi answered this because although 2/3 of the earth surface is covered with water only 1% of that is the water we can use 5