David de Rothschild is known (1) ... his efforts to make the earth a better place for those who inhabit it. Recently, David has become involved (2) ... a project which he believes will help save oceans. In the middle of (3) ... Pacific Ocean there is (4) ... vast pile of rubbish, which floats on the water and causes terrible damage (5) ... the environment. This region is filled (6) ... plastic waste. David came up with an ideal way to use this waste and help preserve our oceans at the same time. He is having a specially designed boat built out of 12,500 empty plastic bottles. David plans to sail (7) ... boat from San Francisco to Sydney, Australia. He is enthusiastic (8) ... the journey regardless of the difficulties it may involve. David hopes that the adventure will encourage people not to ignore environmental problems.