EcoWatch: The premise behind the Amsterdam-based venture Plastic Whale is beautifully simple. First, the company fishes out plastic bottles and other debris from the city`s numerous canals. Second, when enough bottles are collected, the plastic is transformed into material to make a boat. Third, the new boat is used to fish for more plastic bottles--to make more boats. Genius.
The goal of Plastic Whale--which describes itself as the world`s first plastic fishing company--is to rid the world`s waters of...