SYDNEY, Australia  (AFP) — Climate change appears to have driven to extinction an Australian Great Barrier Reef rodent, according to a new study, which suggests the species may be the first mammal lost to the global phenomenon. Extensive searches for the Bramble Cay melomys, a small rat-like animal, have failed to find a single specimen from its only known habitat on a sandy island in far northern Australia. Researchers said the key factor behind the […]