Human waste an asset to economy, environment, study finds

Human waste might be an unpleasant public health burden, but scientists at the University of Illinois see sanitation as a valuable facet of global ecosystems and an overlooked source of nutrients, organic material and water.

Why some cities turn off the water pipes at night

For more than a billion people around the world, running water comes from "intermittent systems" that turn on and off at various times of the week. A new paper by University of Toronto Engineering professor David Taylor proposes ...

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