Dual tornadoes on the ground in Nebraska

Stunning photo of dual tornadoes within a mile of each other on June 16th, 2014 Photo taken by stormchaser Matt Coker. Click image for full size.

$260 / ton for carbon – the price of salvation

Lord Stern: Models ‘grossly underestimate’ costs of global warming Submitted by Eric Worrall Lord Stern, the British Academic who prepared the “Stern Review” on global warming for Prime Minister Tony Blair, has just claimed a carbon price of up to $260 / ton is required to prevent dangerous global warming.

Wind turbine payback period claimed to be within 8 months

From Inderscience Publishers , something sure to make greens go “See, I told you!”, except for that little fatal mistake at the end. Read on. Wind turbine payback US researchers have carried out an environmental lifecycle assessment of 2-megawatt wind turbines mooted for a large wind farm in the US Pacific Northwest. Writing in the…

Mining proxies for the Southern Annular Mode

Steve McIntyre writes about what he considers another “completely worthless” exercise in statistical data mining, writing: =============================================================== In today’s post, I will look at a new Naturemag climate reconstruction claiming unprecedentedness (h/t Bishop Hill): “Evolution of the Southern Annular Mode during the past millennium” (Abram et al Nature 2014, pdf). Unfortunately, it is marred by…

Nature abhors a positive feedback

Negative Feedback Prevents Harmful Temperatures from Carbon Dioxide Guest essay by Bryce Johnson The purpose of the article is to contribute to refuting the false alarm that has been generated worldwide about excess global warming caused by atmospheric carbon dioxide, primarily by mischaracterizing its inherently negative feedback. Feedback is the effect that the result of…