On Sunday, the revelers at the second annual Mile High Music Festival were granted a temporary reprieve from the heat. The sky was cloudy, and lo! The grounds were clean! The night before, as I waded through a sea of discarded plastic beer cups, it occurred to me that perhaps a better way to save the planet would have been to sell freely refillable beer cups, in the hopes that folks would use the same cup all day, rather than burning through five or six. Now I’m all in favor of just about any recycling program you could think of, but refillable beer
