Guardian: A crowdfunded 100km-long boom to clean up a vast expanse of plastic rubbish in the Pacific is one step closer to reality after successful tests of a scaled-down prototype in the Netherlands last week. Further trials off the Dutch and Japanese coasts are now slated to begin in the new year. If they are successful, the worlds largest ever ocean cleanup operation will go live in 2020, using a gigantic V-shaped array, the like of which has never been seen before. The so-called Great Pacific garbage...