For those of us who were teenagers in the 1980s, it is difficult not to remember the famous Live record released in 1983 by the reggae band UB40. Almost 30 years later I am still listening to their sound. As we mark World Food Day on October 16, I am reminded of one of the songs in that album, Food for Thought. In fact, I still remember some of the lyrics: "Eat and drink rejoicing, joy is here to stay." Drink, eat, and rejoice – a reminder of the link between water, food, happiness, well-being, and prosperity.
Yesterday, on the eve of World Water Day, NASA and the United States Geological Survey released the first images from the thermal imaging band of its latest launch of the LANDSAT satellite. The satellite will begin regularly producing data on May of this year. Why does that matter? It is the latest improvement in a technology that, in my opinion, has the power to revolutionize water management around the world.
One of the marvels of the modern city is its ability to make waste disappear. Along with electricity, water, and the internet, sophisticated waste networks allow residents to discard or flush away any signs of urban consumption. But this may be changing. As cities increasingly face the prospect of droughts and uncertainty about future water availability due to climate change, a new source of water is now being explored that might prompt city residents to pay close attention to its origin and fate: their toilets.
Wastewater reuse – known as “reclaimed water” to proponents, and “toilet to tap” to critics – is used to augment supply in two prime water-scarce environments: spaceships and urban areas. Though resistance to wastewater reuse is mostly psychological, citizen’s disgust is balanced by three realities: