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All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.

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Climate Hustle

2015 SkS Weekly Digest #29

Posted on 19 July 2015 by John Hartz

SkS Highlights

A Hard Deadline: We Must Stop Building New Carbon Infrastructure by 2018 by Stephen Leahy (reprinted from The Leap) generated quite the buzz on its comment thread. It garnered, by a wide margin, the most comments of the articles posted on SkS during the past week. If you have not yet read this important article, you will want to do so.  

El Niño Watch

Long-range model forecasts from NOAA, the U.K. Met Office, Australia's Bureau of Meteorology, and the European Centre for Medium Range Weather Forecasting, among others, all suggest the current El Niño is not only a virtual lock to be strong, but may eventually rival the strongest in modern records dating to 1950, with anomalies approaching or exceeding the 2.3 degrees Celsius observed in late 1997.

This may place the El Niño of 2015-2016 in the discussion with the "Super El Niños" of 1997-1998 and 1982-1983. 

In fact, the latest available three-month mean sea-surface temperature anomalies in the Niño 3.4 region – April through June – were pacing 0.3 degrees Celsius warmer 

Record Strong El Niño Ahead? by John Erdman, The Weather Channel. July 17, 2015 

Toon of the Week

2015 Toon 29 

Hat tip to I Heart Climate Scientists

Quote of the Week

Scientists said the consequences of those warmer ocean temperatures would be felt for centuries to come – even if there were immediate efforts to cut the carbon emissions fuelling changes in the oceans.

“I think of it more like a fly wheel or a freight train. It takes a big push to get it going but it is moving now and will contiue to move long after we continue to pushing it,” Greg Johnson, an oceanographer at NOAA’s Pacific Marine Environmental Laboratory, told a conference call with reporters.

“Even if we were to freeze greenhouse gases at current levels, the sea would actually continue to warm for centuries and millennia, and as they continue to warm and expand the sea levels will continue to rise,” Johnson said.

On the west coast of the US, freakishly warm temperatures in the Pacific – 4 or 5F above normal – were already producing warmer winters, as well as worsening drought conditions by melting the snowpack, he said.

Warming of oceans due to climate change is unstoppable, say US scientists by Suzanne Goldenberg, The Guardian, July 17, 2014

He Said What? 

Meanwhile, Boehner* is outraged that people are being urged not to maintain their water-intensive green lawns in a semi-arid region during this epic drought. From his Facebook post:

If ever there was a phrase that perfectly encapsulates liberal environmentalists’ backwards priorities and regressive ideology of restriction and scarcity, it is the one now displayed on a government sign in Arcadia, California: “It’s ‘green’ to go brown.”

*Rep John Boehenr (Rep-OH), Speaker of the U.S. House of Representatives 

Boehner Blames California Drought On Obama by Joe Romm. Climate Progess, July 17, 2015

SkS Spotlights

The Climate Action Tracker (CAT) is an independent science-based assessment, which tracks the emission commitments and actions of countries. The website provides an up-to-date assessment of individual national pledges, targets and “intended nationally determined contributions” (INDCs), and currently implemented national policy to reduce greenhouse gas emissions. 

The CAT's scientific analysis is produced by four research organisations tracking climate action and global efforts towards the globally agreed aim of holding warming below 2°C:  

Rebuttal Article Updates

Links to appropriate MOOC lecture videos have been appended to many of the SkS Rebuttal articles.

Coming Soon on SkS

  • 2015 SkS Weekly News Roundup #29 (John Hartz)
  • The oceans are warming faster than climate models predicted (John Abraham)
  • NOAA State of the Climate report: Which seven records were broken in 2014? (Robert McSweeney)
  • We're snowballing towards serious climate action (Dana)
  • Scientific consensus and arguments from authority (potholer)
  • The pope as philosopher: faith, climate change and public reason (Lawrence Torcello)
  • Carbon Dioxide Pools Discovered in Aegean Sea (Woods Hole Oeanographic Institute)
  • 2015 SkS Weekly Digest #30 (John Hartz) 

Poster of the Week

 2015 Poster 29

SkS Week in Review

97 Hours of Consensus: Richard Feeley

97 Hours: Richard Feeley

 

Richard Feeley's bio page

Quote derived from

"Carbon dioxide is an acid gas. It reacts with water to form carbonic acid. And then that carbonic acid completely disassociates, it forms a a hydrogen ion and bicarbonate, and in doing so, it reduces the pH of seawater. Since the beginning of the Industrial Revolution, that pH change has been about 0.1 pH units, which is a 30% rise in hydrogen ion concentration. A 30 % rise in acidity of the surface ocean."

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