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The Private, Exclusive Guide for Serious Divers Since 1975
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January 2015    Download the Entire Issue (PDF) Vol. 30, No. 1   RSS Feed for Undercurrent Issues
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Flotsam & Jetsam

from the January, 2015 issue of Undercurrent   Subscribe Now

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Dive Shows for Divers. Our World Underwater has one for sport divers in the Dallas Metroplex area on January 25-26, then Chicago from February 27 through March 1. New gear, new travel destinations, demonstrations, film festivals, and get-togethers for sport divers and their friends ( ).

Why Divers Should Avoid Sunscreen. A study published in the Journal of Environmental Science and Technology shows how sunscreen chemicals can wreak havoc on marine life. The problem? Certain kinds of sunblock react with the sun's rays when they hit the water to create hydrogen peroxides. That, in turn, can prove toxic to phytoplankton, a vital source of nutrition for fish and whales. Sunscreens that morph into hydrogen peroxide are made using a process called nanotechnology. In Europe, sunscreen manufacturers must label products made with nanoparticles, but the U.S. has no such requirement. So even if you're using sunscreen that says it's green or environmentally friendly, you have no idea whether it was made via nanotechnology, or its impact on the ocean....

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