The invasive seaweed caulerpa has been found in a new location in the Bay of Islands, sparking fears it could spread quickly through boating hubs around Paihia and Russell.

The U.N. has identified Kabwe, a city of almost 300,000 people in Zambia, as one of the most polluted places on the planet.

While the Aegean archipelago has become a well-trodden circuit, the island of Kéa (also known as Tzia) retains an air of an ...