140 Years to a PETM-Style Doomsday!!! Another PETM/Chicken Little of the Sea Epic Fail

Guest geology lesson by David Middleton PETM = Paleocene-Eocene Thermal Maximum Research ArticleTemporal Scaling of Carbon Emission and Accumulation Rates: Modern Anthropogenic Emissions Compared to Estimates of PETM Onset Accumulation Philip D. GingerichFirst published: 30 January 2019 […] Plain Language Summary The Paleocene‐Eocene thermal maximum (PETM) is a global greenhouse warming event that happened 56…

Permian Extinction… Because Climate Change!

Guest eye roll by David Middleton From Real Clear Science… The Two Great Killers of ‘The Great Dying’ By Ross Pomeroy – RCP Staff The Siberian Traps in northern Russia are picturesque. The expansive region is graced with serene slopes that jut into striking plateaus. Hiding behind this beauty, however, is a calamitous history, revealed…

They shrink horses, don't they?

From the University of Nebraska-Lincoln . Tom Nelson quipped earlier today that he hadn’t noticed any pygmy horses near the equator where it is warmer. Study: Evolution of earliest horses driven by climate change New research offers evidence of rising temperatures’ effects on body size When Sifrhippus, the earliest known horse, first appeared in the…

Paleopessimism by Proxy

Carbon release and global warming now and in the ancient past From the National Oceanography Centre Our findings suggest that humankind may be causing atmospheric carbon dioxide to increase at rates never previously seen on Earth – Dr Ian Harding, June 7, 2011 The present rate of greenhouse carbon dioxide emissions through fossil fuel burning…

Ancient "Hyperthermals" aka global warming, more frequent than previously thought

Ancient “Hyperthermals” a  Guide to Anticipated Climate Changes Scripps researchers document the history of sudden global warming events, impacts on marine life By Mario Aguilera, Scripps Institute News (h/t to Dr. Leif Svalgaard) Sediment samples in the lab of Richard Norris obtained by the Ocean Drilling Program reveal the mark of “hyperthermals,” warming events lasting…

Ancient natural global warming

Arctic environment during an ancient bout of natural global warming Scientists are unravelling the environmental changes that took place around the Arctic during an exceptional episode of ancient global warming. Newly published results from a high-resolution study of sediments collected on Spitsbergen represent a significant contribution to this endeavour. The study was led by Dr…