at the last assessment in 2020, over one in four people around the globe still lacked access to safe drinking water, while 3.6 billion lacked access to safely managed sanitation services. and its says the water crisis is worst in low—income countries. for example, an estimated 70% of the population of sub—saharan africa lacks safe drinking water. the global water cycle is a global common good, we just don't want to understand it because we believe water belongs to us, but nobody has a problem to say the ocean is a global public good or the air, but the water cycle is the same, it connect this, it goes, we can stop within a dam for a year or two, we we can stop within a dam for a