As the world population increases and people pursue higher standards of living, more water is needed in homes and for production of food and products. In fact, by 2050, the UN projects global water demand will increase by 55%. However, fresh water supplies are limited, and groundwater, which is the source of drinking water for
According to conventional wisdom, safety costs money. Risk is the natural order of things, and to escape it we add protective items we believe will keep us safe from harm. Guards, shields, railings — all easily installed, but all cost money. For example, when the NTSB reverse engineered all of the measures under the Federal