tag:blogger.com,1999:blog-4721131542304077238.post8291280471461230028..comments2022-07-18T09:21:46.455+01:00Comments on Our Gossamer Planet: Water, Water, but not everywhereSarah Stephenhttp://www.blogger.com/profile/03305130267142945205noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-4721131542304077238.post-15504456315109055442010-03-23T16:25:52.688+00:002010-03-23T16:25:52.688+00:00Interesting, and a little frightening!
A recent s...Interesting, and a little frightening! <br />A recent survey found that 82% of Brazilian municipalities discharge raw (untreated) sewage into the same rivers that they extract drinking water from (though it is treated before drinking of course). As an aside, a good measure of human, as opposed to industrial, effluent is apparently to measure the caffeine concentration, as human waste is the only source and it is removed pretty effectively by sewage treatment.Davidhttps://www.blogger.com/profile/17196473529075505697noreply@blogger.com