แผ่นกรองน้ำกราฟินอาจเเก้ปัญหาขาดน้ำสะอาดในอนาคต

The United Nations predicts that by 2025 nearly two billion people will be living in places where there's not enough water to go around. And since on average water makes up about 60% of the human body, not having it has a host of devastating effects that go way beyond just being thirsty.