Water is essential for life. Yet millions of people around the world face water shortages. Millions of children die every year from waterborne __1__ (disease). And drought regularly causes suffering in some of the world's poorest countries. The world needs to respond much better. We need to increase water efficiency, __2__ (especial) in agriculture. We need to free women and girls __3__ the daily chores of __4__ (carry) water, often over great distances.