No.	Title	Date
321	The Gulf of Mexico at a Glance	2011-06
322	Gulf Stream's induced sea level rise and variability along the U.S. mid-Atlantic coast	2013
323	Headline Statements from the Summary for Policymakers	2013
324	Healthy Solutions for the Low Carbon Economy	2008
325	The Heartland Institute 2012 Fundraising Plan	2012-01-15
326	The heat is on in Antarctica	2013-02-06
327	The heat is on in Antarctica	2013
328	Hell and High Water	2013-11-08
329	High nitrous oxide production from thawing permafrost	2010
330	High rates of sea-level rise during the last interglacial period	2008-01
331	High risk of permafrost thaw
332	High-resolution carbon dioxide concentration record 650,000-800,000 years before present	2008-05-18
333	The Historic Fur Trade and Climate Change	2006-12-26
334	Holocene sea levels and palaeoenvironments, Malay-Thai Peninsula, southeast Asia	2005
335	Holocene thinning of the Greenland ice sheet	2009-09
336	Hot days induced by precipitation deficits at the global scale	2012-07-31
337	Hotspot of Accelerated Sea-Level Rise on the Atlantic Coast of North America	2012
338	How Can We Avert Dangerous Climate Change?	2007
339	How high will seas rise?	2010-01-20
340	How high will seas rise?	2010