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.…

Playing God with the Climate IV

Part IV[wpcol_1half id=”” class=”” style=””]Bill Gates is now the world’s leading financial supporter of geoengineering research. He is an investor in various geoengineering enterprises, including Silver Lining, a company pursuing marine cloud brightening methods. He is an investor in Carbon Engineering Ltd, a start-up company formed by David Keith to develop technology to capture carbon…

Playing God with the Climate III

Part III[wpcol_1half id=”” class=”” style=””]However, other atmospheric scientists argue that the complexity of the climate system means that it is impossible to draw any firm conclusions about the consequences of such a radical intervention in the Earth system. They point out, for example, that the chemistry of the atmosphere is complicated, so turning down the…

Playing God with the Climate II

Part II[wpcol_1half id=”” class=”” style=””] Space mirrors & painted roofs Geoengineering may be defined as deliberate, large-scale intervention in the climate system designed to counter global warming or offset some of its effects. More than 40 schemes have been put forward, with some the subject of intensive research. They are usually divided into two types:…

Playing God with the Climate I

‘The Ultimate Technofix’: Playing God with the ClimateBy Clive Hamilton / CAPPE[wpcol_1half id=”” class=”” style=””]March 7, 2013: Climate scientists have watched with mounting alarm as carbon dioxide concentrations have increased relentlessly. The anxiety has deepened each year as it has become clearer that the range of emissions paths mapped out by experts in the 1990s…

Video: Free Market Solution & Emissions Targets

Video[wpcol_2fifth id=”” class=”” style=””] [/wpcol_2fifth][wpcol_3fifth_end id=”” class=”” style=””] Free Market Solution Climate Change and Free Market Solution Published on YouTube May 23, 2013 Climate Scientist Hansen Turns Activist, Advocates ‘Fee’ on Carbon Pollution. If you give the money to the public, then it’s not a tax. It’s a fee collected from fossil fuel companies with…

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

99 One-Liners Rebutting Denier Talking Points — With Links To The Full Climate Science

By Joe Romm: Progressives should know the disinformers’ most commonly used arguments — and how to answer them crisply. Those arguments have been repeated so many times by the fossil-fuel-funded disinformation campaign that almost everyone has heard them — and that means you’ll have to deal with them in almost any setting, from a public talk to a…