It’s the most basic innovations which can make the largest impact. The LifeStraw costs about $3 USD and will filter about 700 liters of water. That’s a two liter a day for a year. As clean drinking water becomes more scarce, due to decreased snow fall and changing climate, we may come to rely on less than ideal sources for water. It’s comforting to know that these types of products are being developed cost effectively.

While $3 may not be a whole lot here, in most developing nations it’s more than a days work. This is still a small price to pay to ensure that you and your family are safe from water born bacteria and viruses. It kills and removes 99.999% of waterborne bacteria, 99% of waterborne viruses, and removes particles down to 15 microns. This little gadget requires no electrical power to operate and is compact enough to travel with.