Significantly warmer Arctic surface temperatures during the Pliocene indicated by multiple independent proxies

Comparison of mid-Pliocene climate predictions produced by the HadAM3 and GCMAM3 General Circulation Models

(2009) Alan M. Haywood et al.   GLOBAL AND PLANETARY CHANGE

Evidence for middle Eocene Arctic sea ice from diatoms and ice-rafted debris

(2009) Catherine E. Stickley et al.   NATURE

High Earth-system climate sensitivity determined from Pliocene carbon dioxide concentrations

(2009) Mark Pagani et al.   Nature Geoscience

Constraints on the application of the MBT/CBT palaeothermometer at high latitude environments (Svalbard, Norway)

(2009) Francien Peterse et al.   ORGANIC GEOCHEMISTRY

Sea ice, high-latitude convection, and equable climates

(2008) D. S. Abbot et al.   GEOPHYSICAL RESEARCH LETTERS

Late Pliocene Greenland glaciation controlled by a decline in atmospheric CO2 levels

(2008) Daniel J. Lunt et al.   NATURE

Thresholds for Cenozoic bipolar glaciation

(2008) Robert M. DeConto et al.   NATURE

An early Cenozoic perspective on greenhouse warming and carbon-cycle dynamics

(2008) James C. Zachos et al.   NATURE

Amplification of Cretaceous Warmth by Biological Cloud Feedbacks

(2008) L. R. Kump et al.   SCIENCE