Video: Lake El’gygytgyn, Pleistocene super-Interglacials and Arctic warmth

John Mason / Skeptical Science: Here is a must-see 2012 presentation by Julie Brigham-Grette of the University of Massachusetts Amherst, covering the research her team has been doing into Lake El’gygytgyn (pronouned El-Guh-Git-Kin), a water-filled meteor crater in Arctic Russia that came into being after the impact of a ~1km diameter space-rock, 3.6 million years ago.…

Calls for Emissions Reductions

US national security advisor says climate change is threat, calls for Emissions Reductions By Carl Franzen / The Verge (April 24, 2013): Scientists and advocates have called for reductions in greenhouse gas emissions for years. But now the White House national security advisor is joining in the chorus. Tom Donilon, the national security advisor to…

Retrospective look at the Hockey Stick controversy

Especially on topic starting at 34:30 min in. Le professeur Bradley est l’invité du comité de vie scientifique de l’Association étudiante du Centre Eau Terre Environnement (AECETE). Professeur éminent au Département de géosciences et directeur du Climate System Research Center de l’Université du Massachussetts à Amherst (États-Unis), le professeur Bradley étudie les changements climatiques depuis…

Richard Alley: The Biggest Control Knob: Carbon Dioxide in Earth’s Climate History

In 2009, climate scientist Richard Alley (Pennsylvania State University) held the talk, “The Biggest Control Knob: Carbon Dioxide in Earth’s Climate History” (Bjerknes Lecture), at the American Geophysical Union Fall Meeting. CO2 is, and has always been, the biggest climate control knob in the Earth’s history https://mind.ofdan.ca/co2-is-and-has-always-been-the-biggest-climate-control-knob-in-the-earths-history 2015 release by AGU https://youtu.be/3UVb–2-PBg

Kevin Anderson on the Climate Crisis – Why 2.0C target?

Cabot Institute Annual Lecture 2012 Real clothes for the Emperor: Facing the challenges of climate change Kevin Anderson, Professor of Energy and Climate Change, University of Manchester Cabot Institute, University of Bristol http://www.bris.ac.uk/cabot   Real clothes for the emperor Facing the challenges of climate change Download the presentation slide sheets here.

Atmospheric Oxygen

Dr. Ralph Keeling on atmospheric Oxygen and Carbon Dioxide. Ralph Keeling is the current program director of the Scripps CO2 Program. He is also a Professor and the Principal Investigator for the Atmospheric Oxygen Research Group at SIO.   Atmospheric Oxygen Levels are Decreasing Oxygen levels are decreasing globally due to fossil-fuel burning. The changes are too…