No.	Title	Date
1	A commentary on "The greenhouse-gas footprint of natural gas in shale formations" by R.W. Howarth, R. Santoro, and Anthony Ingraffea	2012
2	Past and future plant diversity of a coastal wetland driven by soil subsidence and climate change	2011-06
3	Temporal Constraints on Hydrate- Controlled Methane Seepage off Svalbard	2014