LIFE PRESERVER: a device (such as a life belt, life ring,
or life vest) designed to save a person from drowning by buoying
up the body while in water.
"Of all polluting substances in the marine environment, 77% come from human land-based activities, while shipping and sea dumping are thought to contribute the remainder. Both naturally occurring and artificial substances such as phosphates, nitrates, metals, radionuclides, and organic chemicals are being discharged. Some of these are systematically accumulating in the ecosphere."
|© 2010 greenmuseum.org|