While reading an article called “Water Footprints Make a Splash,” I was immediately intrigued by the concept of a water footprint. What exactly is a water footprint? Author Ben Block uses coffee to illustrate:

If the full water requirements of a…

Here is an interesting idea that would synthesize renewable energy and desalination. “Now, researchers at the Delft University of Technology have come up with an interesting idea — combining windmills with reverse osmosis filters to produce comparatively rugged and low-cost desalination…