No.	Title	Date
501	National Security Implications of Climate Change for U.S. Naval Forces	2011
502	New evidence for episodic post-glacial sea-level rise, central Great Barrier Reef, Australia	1995
503	The New Geography of Trade	2012
504	A New, Robust, and Accurate Method to Extract Tide-Coordinated Shorelines from Coastal Elevation Models	2011
505	New Trans-Arctic shipping routes navigable by midcentury	2013-01-25
506	A new view on sea level rise	2010
507	Nineteenth and twentieth century sea-level changes in Tasmania and New Zealand	2011
508	El Nino modulations over the past centuries	2013-09
509	No rainforest, no monsoon: get ready for a warmer world	2009-09
510	North Carolina Sea-Level Rise Assessment Report	2010-03
511	Northern Hemisphere ice-sheet responses to past climate warming	2012
512	Northern Meltwater Pulses, CO2, and Changes in Atlantic Convection	2011-01-14
513	Notes and Correspondence On increasing global temperatures	2013
514	Numerical Model Development to Address the Effects of Climate Change on Coastal Hydrology and Ecology in Souther Florida	2008-08-01
515	NY, other states tell insurers to disclose climate change plans	2012
516	Ocean Acidification	2009
517	Ocean Acidification Unprecendented, Unsettling	2010-06-18
518	Ocean Salinities Reveal Strong Global Water Cycle Intensification During 1950 to 2000	2012
519	On a collision course: competition and dispersal differences create no-analogue communities and cause extinctions during climate change	2012-01-04
520	On the Misdiagnosis of Surface Temperature Feedbacks from Variations in Earth's Radiant Energy Balance	2011-07-25