Welcome to DU! The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards. Join the community: Create a free account Support DU (and get rid of ads!): Become a Star Member Latest Breaking News Editorials & Other Articles General Discussion The DU Lounge All Forums Issue Forums Culture Forums Alliance Forums Region Forums Support Forums Help & Search

Science

TreasonousBastard

(43,049 posts)

1. This is news? It has been well known that early civilizations, and prehistoric ones, lived by...

Reply to Judi Lynn (Original post)

Mon Dec 12, 2016, 04:16 AM

Dec 2016

surface fresh water sources largely for waste disposal. Sewer systems have been found not only in Roman settlements, but ancient Indus Valley settlements.

The Babylonians had well developed sewage systems with ceramic pipes leading into their rivers.

Click here to purchase valentine hearts!

Edit history

Please sign in to view edit histories.

Recommendations

0 members have recommended this reply (displayed in chronological order):

6 replies

= new reply since forum marked as read

Highlight:

Researchers Humans have been polluting rivers for 7,000 years [View all] Judi Lynn Dec 2016 OP

This is news? It has been well known that early civilizations, and prehistoric ones, lived by... TreasonousBastard Dec 2016 #1

This is 2000 years before the Indus Valley civilizations muriel_volestrangler Dec 2016 #5

Using a river for MFM008 Dec 2016 #2

Is it? Elements like tritium have a short half life and dissipate quickly. hunter Dec 2016 #3

or or MFM008 Dec 2016 #6

"usually associated with the start of the modern industrial era" -- ORLY ?? eppur_se_muova Dec 2016 #4