Ozone depletion trumps greenhouse gas increase in jet-stream shift

From Penn State UNIVERSITY PARK, Pa. — Depletion of Antarctic ozone is a more important factor than increasing greenhouse gases in shifting the Southern Hemisphere jet stream in a southward direction, according to researchers at Penn State. “Previous research suggests that this southward shift in the jet stream has contributed to changes in ocean circulation…

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EU Carbon Trading 'death spiral' continues

UPDATE: it’s worse than we thought, see below. Carbon has closed below $4 a ton in a new record low while Deutsche Bank bails From Reuters: Deutsche Bank quits carbon market: board member 31 Jan 2013 12:42 Last updated: 31 Jan 2013 15:04 LONDON, Jan 31 (Reuters Point Carbon) – Deutsche Bank has shut its…

Do Increasing Temperatures Lower Crop Yields?

Guest Post by Willis Eschenbach I keep reading these claims that we’re all going to starve because of global warming. People say it’s going to be the death of agriculture, that increasing temperatures will cause significant drops in crop yields. Here’s a typical bit of alarmism (emphasis mine): A study by the International Food Policy…