Contrails – itty bitty icy forcing

From the American Geophysical Union weekly highlights: Estimating climate effects of contrails Condensation trails, or so-called contrails, formed by freezing of ice crystals in the exhaust from aircraft jet engines could affect climate. Like natural cirrus clouds, contrails change atmospheric temperatures not only by blocking sunlight from reaching the Earth’s surface but also by preventing…

Tropical Storm Beatriz – the six hour “shorty”

50 years ago, we’d never have counted this as a tropical storm. As outlined recently in New peer reviewed study: Surge in North Atlantic hurricanes due to better detectors, not climate change, its the technology that enables counting storms that would not have been counted before. Ditto for tornadoes and sunspots. From NASA/Goddard Space Flight Center…

Reduce your CO2 footprint by recycling past errors!

Guest Post by Willis Eschenbach Anthony has pointed out the further inanities of that well-known vanity press, the Proceedings of the National Academy of Sciences. This time it is Michael Mann (of Hockeystick fame) and company claiming an increase in the rate of sea level rise (complete paper here, by Kemp et al., hereinafter Kemp…