Looks at the impact of sewage, marine debris, toxic chemicals, heavy metals, oil, and radioactive materials on the oceans, and lists sources of information.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.