Tilapia feed on Fiji's native fish

The poster child for sustainable fish farming -- the tilapia -- is actually a problematic invasive species for the native fish of the islands of Fiji, according to a new study by the Wildlife Conservation Society and other ...

Tonnes of garbage cleaned up from Galapagos coast

Officials at Ecuador's Galapagos National Park say they have collected 22 tonnes of garbage since January off the coasts of the pristine archipelago, some of it from as far away as Asia.

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