Complex sentence: The global water crisis includes challenges such as water scarcity, water pollution, inadequate water supply and sanitation for billions of people in developing countries, inequalities of access to WASH services and non-fulfillment of the human right to water and sanitation.
Split into simpler sentences: The global water crisis includes challenges such as water scarcity, water pollution, inadequate water supply and the lack of sanitation for billions of people in developing countries. The day brings to light the inequality of access to WASH services and the need to assure the human right to water and sanitation.