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Articles on Water

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Shutterstock/ Nataly Reinch

Why South Africa needs a new water agency

The agency will ensure that large water users such as municipalities, public utilities and large companies continue to fund the construction and operation of the large water systems they depend on.
Where do the hydrogen and oxygen that make up the earth’s water come from? NASA Goddard/Flickr

Why is there water on Earth?

A recent study shows that the Earth's water could come directly from the oxygen and hydrogen present in the rocks that formed it, and not from a late supply by asteroids.
The greenhouse effect and plate tectonics are essential for maintaining water on the Earth’s surface. NASA/Goddard Space Flight Center/Reto Stöckli

Why is the Earth blue?

The presence of water on the Earth's surface is the result of a subtle balance between different mechanisms in the atmosphere and below the surface.
We need a toilet design solution that suits local people’s needs. Hafidz Alifuddin/Pexels.com

We should talk more about toilets

Communication between programmers and local communities can provide good opportunities in the toilet prototyping process from the beginning of the design process.
A center-pivot sprinkler with precision application drop nozzles irrigates cotton in Texas. USDA NRCS/Wikipedia

Farmers are depleting the Ogallala Aquifer because the government pays them to do it

An invisible crisis is brewing in US farm country as the overpumped Ogallala-High Plains Aquifer drains. The key drivers are federal farm subsidies and the tax code.

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