5 billion Dubai megaresort rises from The World

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Four kilometers off the Dubai coastline lies Europe. Or a version of it, at least. Comprising six man-made islands styled after a mix of European countries and cities, when completed this $5 billion megaproject will be able to accommodate 16,000 tourists in the height of travel luxury.

Seagrass saves beaches and money

Seagrass beds are so effective in protecting tropical beaches from erosion, that they can reduce the need for regular, expensive beach nourishments that are used now. Biologists and engineers from the Netherlands and Mexico describe experiments and field observations around the Caribbean Sea.