A U.N. panel has declared the Florida's Everglades to be an endangered World Heritage site due to the wetlands' continued degradation, officials said on Friday, 30 July 2010. Experts from Unesco and the International Union for the Conservation of Nature (IUCN) are to visit the site and help develop a conservation plan.

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  President Obama signed an Executive Order establishing a National Policy for the Stewardship of the Ocean, Coasts, and Great Lakes on July 19, 2010. That Executive Order adopts the Final Recommendations of the Interagency Ocean Policy Task Force and directs Federal agencies to take the appropriate steps to implement them.

The Executive Order strengthens ocean governance and coordination, establishes guiding principles for ocean management, and adopts a flexible framework for effective coastal and marine spatial planning to address conservation, economic activity, user conflict, and sustainable use of the ocean, our coasts and the Great Lakes.

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  In this week's issue of the journal Nature, Monterey Bay Aquarium Research Institute (MBARI) chemical oceanographer Ken Johnson, along with co-authors Stephen Riser at the University of Washington and David Karl at the University of Hawaii, show that open-ocean microalgae obtain nitrate from deep waters as much as 250 meters below the surface. The finding will help scientists predict how open-ocean ecosystems could respond to global warming.

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