Indo-Asian News Service: Tropical marine scientists, strongly backed by environmental groups, have called for the Coral Sea off the coast of Australia, to be made into world`s largest marine reserve. The researchers said that the whole Coral Sea should become a no-fishing area to protect its immense environmental and heritage values from the escalating threats of overfishing and climate change. ‘There is overwhelming evidence that the world`s marine ecosystems have been seriously degraded by overfishing, …