A special item with 10% donation that goes to WWF, waxcord bracelet with Rose Gold-plated recycled brass pendant addressing the concern for the Ocean. Oceans cover approximately 70% of the Earth's surface with an average depth of 2.4 miles, or 3,800 meters. The marine ecosystems, in addition to the temperate and tropical oceans, includes the shorelines, with mud flats, rocky and sandy shores, tide pools, barrier islands, estuaries, salt marshes, and mangrove forests making up the shoreline segment. Marine ecosystems support a great diversity of life and variety of habitats. The ocean is a major influence on weather and climate. ThreatsMarine ecosystems are under a variety of threats including offshore oil drilling, oil spills, pollution, marine debris, overfishing, habitat destruction and climate change. Interesting FactsThe average temperature of the oceans is about 39 degrees Fahrenheit, or 2 degrees Celsius