Solar Disinfection of water, also known as SODIS, is a method that uses sunlight to purify water in glass or plastic PET bottles. The method purifies water in anywhere from six hours to two days, depending on the degree of cloudiness in the sky and the turbidity of the water. It is highly regarded for its ease and low-cost, and for these reasons has been implemented in … [Read more...] about SODIS: Is it Safe?
In case you haven’t been keeping up, here’s a quick recap. In part one of this series on eco-friendly bottled water, we introduced several bottles made with bioplastic. In part two, the paper bottle was born. Here, we discuss the environmentally friendly-er PET plastic bottle. Yes, it does exist, though these last three may be a bit harder to swallow. Nestle PureLife … [Read more...] about “Eco-Friendly” Bottled Water? Part Three: Eco-Shape and Biodegradable PET Plastic