Droughts are increasing. Period. All over the world. More and more we need to consider capturing rainwater to use not only in our gardens, but in our houses. In most places in the US, capturing water for potable uses is not allowed. Some exceptions are California, Texas, Atlanta and a growing number of cities. One of our most recent houses, the Haw River House, has a graceful butterfly roof sheltering the main living space inside. Its purpose is for more than shelter, ho