Water Treatment

Global Water Withdrawals

Global Water Withdrawals

Ten countries withdraw more than 100 percent of renewable freshwater resources, of which 7 in the Arabian Peninsula, 1 in Northern Africa and 2 in Central Asia.

Water Pollution and Its Sources

Water Pollution and Its Sources

Water pollution has many sources. The most polluting of them are the city sewage and industrial waste discharged into the rivers.

All You Need to Know About Water

All You Need to Know About Water

Reliable sources of clean water and sanitation facilities are necessary for sustainable development, but more than 2 billion people worldwide lack access to safe drinking water, sanitation, and hygiene.

Climate Change Will Lead to Evolved Global Water Reuse

Climate Change Will Lead to Evolved Global Water Reuse

By 2025, half of the world’s population will be living in water-stressed areas. Re-use of wastewater, to recover water, nutrients, or energy, is becoming an important strategy.

Where is All the Water?

Where is All the Water?

The water crisis is a health crisis. Nearly 1 million people die each year from water, sanitation and hygiene-related diseases which could be reduced with access to safe water or sanitation.

Water, Sanitation, and Hygiene

Water, Sanitation, and Hygiene

Globally, more than 125 million children under five years of age live in households without access to an improved drinking-water source, and more than 280 million children under five live in households without access to improved sanitation facilities.

Industrial Waste on Water Treatment and Sanitation

Industrial Waste on Water Treatment and Sanitation

Because industrial waste frequently goes down the same sewers as domestic and commercial nonindustrial waste, sewage often contains high levels of industrial chemicals and heavy metals.

Water Footprint of Food

Water Footprint of Food

According to the World Resources Institute, an environmental think tank, inside the 1.3 billion tons of food wasted every year worldwide is 45 trillion gallons of water.

The State of Our Oceans

The State of Our Oceans

Coastal waters receive a variety of land-based water pollutants, ranging from petroleum wastes to pesticides to excess sediments. Marine waters also receive wastes directly from offshore activities, such as ocean-based dumping.

Earth's Freshwater Resources and Water Scarcity Problem

Earth's Freshwater Resources and Water Scarcity Problem

Water scarcity, related to either overextraction of groundwater reserves or pollution of existing surface water resources, promises only to increase as a problem.