When air, water and soil pollution end up at the bottom of a river, they usually stay relatively put unless stirred up. This is done on small scale whenever a large boat anchor puts down in a harbor without mooring. This may also be done when constructing docks or platforms for extraction or [...]
Pharmaceutical are not known for handing out their medications, especially those that make good money for them, for free. However, in recent years, that’s exactly what has been happening, in very small doses, in most major North American cities. These and other drugs, including hormones, over-the-counter medications and water soluble vitamins turn up [...]