We began with a glass of water from the mains.
We talked about where this water came from (mostly reservoirs in Wales, for the Midlands).
We talked about how reservoirs work: water is held at higher altitudes, and gravity is used to move water down to lower altitudes. Tip: use big pipes first, decreasing in size to small pipes as you get closer to where you want to use it, to retain the pressure.
We talked about how it would feel if we didn’t have access to water (2/3 of the world’s population don’t).
We talked about water scarcity, and how our (global) rate of extraction and use of water means that aquifers are not replenishing at a fast enough rate.
We talked about how water scarcity is fuelling conflicts across the world (in Syria and Yemen, for instance), and how access to water is used as a weapon. Then we talked about how Wales is traditionally the bathtub of the midlands, and how it’s not too much of a leap to imagine civil strife here, and the pipes being cut off, or blown up, or held hostage.
It’s amazing how good it tastes when you think about all this stuff.