Ahead Of Its Time: 2,000-Year-Old Mayan Drinking Water Treatment Solution Still Holds Up

Modern technology is a big reason that municipal utilities can provide clean and safe drinking water for customers, but even contemporary water professionals might be awestruck at the effectiveness of some ancient Mayan treatment systems.

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Increasingly Colorful Rivers A Bad Sign

You might not be able to tell with a casual look, but rivers across the U.S. have been changing color. And that’s not necessarily a good thing. A recent study shows that of the tens of thousands of mile-long river segments across the country, approximately a third have noticeably shifted color in satellite images during the last 35 years. More than 11,000 miles became greener or moved toward the violet end of the spectrum, and people are the cause of many of the shifts.

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Fishing Boats And Rail Cars: It’s What Artificial Reefs Are Made Of

Just off the coast of Georgetown, SC, a retired 65-foot fishing boat was recently sunk 50 feet underwater, where it joins a barge and nearly two dozen Army vehicles. Off the coast of Charleston, a short distance to the south, eight concrete towers of various heights have been installed on the sea floor.

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