Stray showers of mercury getting into food chain
Poisonous metal released as a vapour by burning fuel, then falls back to Earth and gets absorbed by the aquatic ecosystem
Press Association in Washington
guardian.co.uk, Sunday 18 December 2011 23.41 GMT

Study shows over time mercury is oxidised and gets deposited back on Earth, through rain or snow. Bacteria then transform the oxidised mercury into methyl mercury, which easily enters the food chain. Photograph: Graham Turner for the Guardian

Earth is being showered with mercury that can land anywhere and enter the food chain, a study has shown. The poisonous metal is released as a vapour by burning fuel then falls back to Earth and is easily absorbed by the aquatic ecosystem. Thousands of tonnes of mercury vapour are pumped into the air each year. Scientists discovered that in time mercury is oxidised it can then be deposited back on Earth, either in rain or snow. Bacteria transform the oxidised mercury into methyl mercury, which easily enters the food chain. US scientist Dr Seth Lyman, who led the research while at the University of Washington Bothell, said: “Much of the emitted mercury is deposited far from its original sources.

Read more.



Post comment

Forbidden Bookshelf

Forbidden Bookshelf




“While We Were Sleeping”

While We Were Sleeping is an urgent call to save Greenwich Village from New York University's uncontrolled expansion.

Click here to donate to NYUFASP and receive a copy of "While We Were Sleeping: NYU and the Destruction of New York" (minimum donation to receive a book is $10 plus $8 shipping).

Orwell Rolls In His Grave, featuring MCM – Buy the DVD



About News From Underground

News From Underground is a daily e-news service run by Mark Crispin Miller, a Professor of Culture and Communication at NYU. It is based on his belief that academics, like reporters, have a civic obligation to help keep the people well-informed, so that American democracy might finally work.

If you'd like to receive updates delivered to your inbox daily, sign up for News From Underground Alerts:

Help News From Underground!





Message from Mark: "I am a one-man operation, although assisted greatly by some volunteers, and, now and then, by people paid by others for one-time projects. There is no shortage of skilled, dedicated folks out there who want to help me. There is, however, nothing I can pay them with, unless you decide you can contribute something."

Please donate via the PayPal button above or via PayPal by email to: markcrispinmiller@gmail.com

Recent Posts

Recent Comments

Popular Posts

Blogroll

Need a bigger font size?




Sponsored Links



  • Your link could be here too, contact us for pricing details.