The State of Our World's Oceans

nature.org — Oceans are vitally important to human communities around the world. We depend on oceans and coasts for food, medicines and protection from storms, among other resources — more than $20 trillion annually in ecological goods and services. But as demand on oceans grows, how can we ensure that they're being conserved and carefully managed worldwide? Jul 5, 2007 View in Crawl 4