Downloading 1GB of data may use as much as two hundred litres of water.
Bora Ristic, Imperial College London via the BBC World Service
An interesting take on the potential impact for water conserving design on data centres. Also for the ethics of serving bloated, inefficient, content and code to n* end-users over multiple sessions and time.
Poor web performance harms both the user experience and the environment; an interesting metric to consider and to measure!