My Comments On The Andy Lacis Post On CO2 As A Climate Thermostat

  By Dr. Roger Pielke Sr. Andy Lacis has posted two guest contributions on my weblog; Guest Post “CO2: The Thermostat That Controls Earth’s Temperature” By Andy Lacis Further Comment By Andy Lacis On CO2 As A Climate Thermostat I very much appreciate this collegial interaction. Today, I want to comment on his conclusions. First,…

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Study: CO2 sequestration may contaminate groundwater

From the “MTBE is perfectly safe department” and Duke University: Leaking underground CO2 storage could contaminate drinking water DURHAM, N.C. — Leaks from carbon dioxide injected deep underground to help fight climate change could bubble up into drinking water aquifers near the surface, driving up levels of contaminants in the water tenfold or more in…

Germany’s Greens get ugly with climate skeptics

When I first saw this I thought to myself “maybe posting this isn’t appropriate on Veterans Day”. Then, after additional reflection, I realized this is exactly what our American veterans and the allies fought for: freedom of speech and freedom from tyranny. The seeds of tyranny appear to be taking hold again in the German…

The best shot?

Guest post by Matt Ridley (with permission, from his blog The Rational Optimist h/t to Indur Goklany) UPDATE: David MacKay’s letter is now up in a separate post here Some weeks ago I wrote an article for The Times about why I no longer find persuasive the IPCC’s arguments that today’s climate change is unprecedented,…

“Extreme global warming” in the ancient past

Ancient global warming: but which came first, the temperature or the CO2? From the National Oceanography Centre, Southampton (UK) Variations in atmosphere carbon dioxide around 40 million years ago were tightly coupled to changes in global temperature, according to new findings published in the journal Science. The study was led by scientists at Utrecht University,…