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From Pee to Tea

At ESA’s open day, a special toilet unit demonstrated a closed-loop water recycling system that goes #frompeetotea!

Meals for Mars

A mission to Mars would take two to three years, and NASA is doing serious research on how best to ensure happy and well-fed astronauts for the whole trip.

Negative Nellies

An article on waste reduction attracted 500+ comments, and to me they illustrate the problem with trying to do anything positive – you’re bombarded with detractors from all sides.