Brazil's water leverage. And its fault lines (preview)

Humanity has entered what scientists are calling an “era of water bankruptcy.” According to the United Nations University, many critical water systems around the world are so overused — through depletion, overallocation, land and soil degradation, deforestation, and pollution, all compounded by climate change — that they can no longer be restored. At the same time, global warming and the spread of artificial intelligence promise to dramatically increase demand for water and clean energ...