This PDF resource describes the scarcity of water, the locations and amount of water of groundwater around the world, methods for reducing this scarcity, and the causes of the depletion. Provides a prediction for areas of groundwater...

Critical source of freshwater and most abundant, yet also the most polluted is groundwater. Discover how scientists work to purify this important resource to make it useable.

Of course humans rely on freshwater for drinking and washing, but we also need it in great quantities to water crops and livestock for the food we consume. Understand the systems in place to purify and store groundwater to do this.

Article highlighting Missouri's karst groundwater systems and the need to protect the land from pollution. Includes diagram of how the system works.

Why have more than half of America's original wetlands been destroyed? What are the benefits of wildlife to people and the environment? Where are wetlands found? Find out the answers to these questions here.

Glaciers and icecaps contain approximately 70% of the world's freshwater, but groundwater is by far the most abundant and readily available source of freshwater. This graphic illustrates the quantity (in cubic kilometres) and...

See how rainwater and snow melt flows from high areas to low areas which ultimately results in Earth's groundwater.

Find out about naturally occurring substances that also affect water quality.