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A massive clean-up operation was also organized during World Environment Week ( 4-10 June ) at the dune belt between Swakopmund and Walvis Bay . Of particular interest among Miss Barnwell 's books was this first edition , in the original binding , of a pseudonymous book by America 's first major novelist , James Fenimore Cooper , better known for such frontier adventure stories as The Last of the Mohicans . Coastal farming , particularly for shrimp , has destroyed thousands of hectares of mangrove forests , which filter water , reduce erosion , serve as critical hatcheries for fish , and protect coastal communities from storms and floods ( IFPRI and WorldFish Center 2003 ) . " This anthology compiles speeches and dialogues from Shakespeare 's heroines , from Juliet and Ophelia to Lady Macbeth , Titania , Cleopatra , and Miranda . Operations of the Air Pollution Impact Network for Africa ( ALPINA ) , a network of scientists , policy makers and NGOs established to provide information on air pollution , methodologies and databases , and to bridge the gap between information and policy making .