There comes a time before every big purchase when you might ask yourself, “Do I really need this?” If you don’t pause for a moment — and if you tend to blow your budget as a result — then you need to ...

There are four flows of water: groundwater, fresh and saline surface water and drinking water. Abstracted surface water and groundwater are used for different purposes. Most groundwater goes to water ...

Maggie Wachter, a mother of two in Philadelphia, has heard every rinse-and-repeat excuse in the book to skip a bath. Recently, Wachter’s 11-year-old son declared that no shower was necessary after a ...