Main Menu
Join Undercurrent on Facebook

The Private, Exclusive Guide for Serious Divers Since 1975 | |
For Divers since 1975
The Private, Exclusive Guide for Serious Divers Since 1975
"Best of the Web: scuba tips no other
source dares to publish" -- Forbes
June 2018    Download the Entire Issue (PDF) Vol. 33, No. 6   RSS Feed for Undercurrent Issues
What's this?

The Lesson Of Walden Pond Or Why Not To Pee Underwater

from the June, 2018 issue of Undercurrent   Subscribe Now

Subscriber Content Preview
Only active subscribers can view the whole article here

While most divers think nothing of emptying their bladders, maybe we need to rethink that for the sake of the environment, at least if we're diving in landlocked areas, like cenotes, quarries or lakes.

You see, Walden Pond is no longer the clear, pristine pond that it was when Henry David Thoreau published Walden: or Life in The Woods, back in 1954. And it's swimmers' pee that has adulterated it.

According to researchers from Paul Smith's College in New York, the combination of climate change and human urine has drastically altered Massachusetts' Pond's chemistry since the 1920s, when hundreds of swimmers began showing up. Phytoplankton populations began increasing, resulting in murkier, greener waters. Phosphorus and nitrogen are necessary for phytoplankton to survive, and researchers say, "More than half of the summer phosphorus budget of the lake may now be attributable to urine released by swimmers." In fact, Yankee Magazine reported in 2008 that Walden was thought to be among the most urine-filled of all of Massachusetts' 1,100 lakes and ponds....

Subscribers: Read the full article here

Get more dive info like these and other important scuba updates sent monthly to your email.
And a FREE Recent Issue of Undercurrent

Free Undercurrent Issue
Get a free
monthly email and
a sample issue!



I want to get all the stories! Tell me how I can become an Undercurrent Online Member and get online access to all the articles of Undercurrent as well as thousands of first hand reports on dive operations world-wide

Find in  

| Home | Online Members Area | My Account | Login | Join |
| Travel Index | Dive Resort & Liveaboard Reviews | Featured Reports | Recent Issues | Back Issues |
| Dive Gear Index | Health/Safety Index | Environment & Misc. Index | Seasonal Planner | Blogs | Free Articles | Book Picks | News |
| Special Offers | RSS | FAQ | About Us | Contact Us | Links |

Copyright © 1996-2021 Undercurrent (
3020 Bridgeway, Ste 102, Sausalito, Ca 94965
All rights reserved.