October 15 is Blog Action Day.
What is Blog Action Day?
Blog Action Day is an annual event held every October 15 that unites the world’s bloggers in posting about the same issue on the same day with the aim of sparking a global discussion and driving collective action. This year's topic is water.
A lot of smart people are thinking and writing about it.
I'm not one of them, but I know where you can find them:
P.S.: Turn off the water while you're brushing your teeth!