A floating island of debris the size of Texas has been crossing the vast Pacific Ocean to the western shores of the Americas since a devastating tsunami inundated Japan in 2011, says a new study. Five million tons of wreckage - the remains of homes, boats, and other remnants of shattered lives in eastern Japan - were swallowed by the ocean that day in March, and more than one million tons of flotsam continues to head towards the west coast of the US..... While the first documented debris from the tragedy has already been found in California, scientists fear these...