The Pew Charitable Trusts areas in the Pacific Ocean, near the Mariana Islands. The protected area was officially designated in January 2009, and includes the Mariana Trench, the deepest ocean canyon in the world. Another marine protected area that the Trusts and other groups sought to protect is Papahānaumokuākea Marine National Monument which was protected by President Bush in 2006 and expanded by President Obama in 2016. Pew's environmental portfolio is designed to help meet what they view as one of the seminal challenges of our time: saving the natural environment and protecting the rich array of life it supports. The aim is to
World Ocean Ocean, and Southern Ocean, defined by the International Hydrographic Organization (IHO) in 2000, based on evidence that this region of the World Ocean has a distinct ecosystem and a unique impact on global climate. In turn, oceanic waters are interspersed by many smaller seas, gulfs, and bays. A global ocean has existed in one form or another on Earth for eons, and the notion dates back to classical antiquity in the form of Oceanus. The contemporary concept of the "World Ocean" was coined in the early 20th century by the Russian oceanographer Yuly Shokalsky to refer to the continuous ocean