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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Japan’s ‘Cool Hand Luke’ moment for surface temperature

At NASA’s Climate 365, there is an interesting story posted with this statement and a graph: Some say scientists can’t agree on Earth’s temperature changes Each year, four international science institutions compile temperature data from thousands of stations around the world and make independent judgments about whether the year was warmer or cooler than average. “The…

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…

Understanding the historical probability of drought

While there is wailing and gnashing of teeth over the current midwest drought, We have this interesting piece from the American Society of Agronomy : Droughts can severely limit crop growth, causing yearly losses of around $8 billion in the United States. But it may be possible to minimize those losses if farmers can synchronize…

Duplicate science: ‘funding agencies may have awarded millions and possibly billions of dollars to scientists’ for duplicate studies

From the: …comes this press release that makes me wonder why the University of Virginia spent close to a half million dollars trying to keep Dr. Michael Mann’s emails out of an FOIA request and lawsuit by the State attorney general, Ken Cuccinelli and the American Tradition Institute. I think with this new revelation of…