Reuters: If water is the new oil, is blue the new green? Translation: if water is now the kind of precious commodity that oil became in the 20th century, can delivery of clean water to those who need it be the same sort of powerful force as the environmental movement in an age of climate change? And, in another sense of green, is there money to be made in a time of water scarcity? The answer to both questions, according to environmental activists watching a global forum on water, …