Global Warming
Climate-gate!
Climate skeptics claim hacked e-mails prove, once and for all, that global warming is a hoax
The climate-change obsessed blogosphere — including both those who accept the science behind anthropogenic climate change and those who deny it — is in an absolute uproar today after the revelation that an unknown party hacked into the computer system of an important climate research center and posted hundreds of private e-mails to a Russian FTP server.
To climate skeptics, the e-mails prove that global warming is a conspiracy theory. At Wonk Room, Brad Johnson rounded up the politicized reaction:
- If you own any shares in alternative energy companies I should start dumping them NOW,” says the Telegraph’s James Delingpole.
- Hot Air’s Ed Morrissey claims the emails discuss “repetitive, false data of higher temperatures.”
- The National Review’s Chris Horner salivates, “The blue-dress moment may have arrived.”
- “The crimes revealed in the e-mails promise to be the global warming scandal of the century,” blares Michelle Malkin.
- The Australia Herald-Sun’s Andrew Bolt claims the emails are “proof of a conspiracy which is one of the largest, most extraordinary and most disgraceful in modern [sic] science.”
RealClimate, a blog maintained by real climate scientists, is busy doing damage control. This story will no doubt rage for weeks, so I’m just going to pick one example of the back and forth before trying to take some time to go deeper, if merited.
Here’s an e-mail that has gotten particular attention, with the supposedly damning language bolded:
Dear Ray, Mike and Malcolm,
Once Tim’s got a diagram here we’ll send that either later today or first thing tomorrow.
I’ve just completed Mike’s Nature trick of adding in the real temps to each series for the last 20 years (ie from 1981 onwards) amd from 1961 for Keith’s to hide the decline. Mike’s series got the annual land and marine values while the other two got April-Sept for NH land N of 20N. The latter two are real for 1999, while the estimate for 1999 for NH combined is +0.44C wrt 61-90. The Global estimate for 1999 with data through Oct is +0.35C cf. 0.57 for 1998.
Thanks for the comments, Ray.
Cheers, Phil
Here’s RealClimate’s explanation:
The paper in question is the Mann, Bradley and Hughes (1998) Nature paper on the original multiproxy temperature reconstruction, and the “trick” is just to plot the instrumental records along with reconstruction so that the context of the recent warming is clear. Scientists often use the term “trick” to refer to a “a good way to deal with a problem”, rather than something that is “secret”, and so there is nothing problematic in this at all. As for the “decline,” it is well known that Keith Briffa’s maximum latewood tree ring density proxy diverges from the temperature records after 1960 (this is more commonly known as the “divergence problem” — see e.g. the recent discussion in this paper) and has been discussed in the literature since Briffa et al in Nature in 1998 (Nature, 391, 678-682). Those authors have always recommend not using the post 1960 part of their reconstruction, and so while “hiding” is probably a poor choice of words (since it is “hidden” in plain sight), not using the data in the plot is completely appropriate, as is further research to understand why this happens.
So what’s going on here? Put aside the question of whether the words “trick” or “hide” have nefarious or innocuous meanings. The scientific problem is that in attempting to reconstruct temperatures in the past, climate scientists are often faced with the problem that there were no humans standing around holding thermometers and writing down temperatures. So scientists use “proxies” — tree rings, or ice cores, or fossilized clams, or lake pollen trapped in sediment. The “divergence problem” referred to above references a case where in one particular instance, tree ring variations in density did not match actual recorded temperatures after 1960.
That poses a conundrum, although not one that throws the entire science of multiproxy paleoclimate reconstruction into doubt. More importantly, t the divergence problem, as RealClimate notes, is not a secret. It’s exactly the kind of thing that climate scientists feast on. Such problems are discussed and debated every day by climate scientists (and every other kind of scientist.) The great thing about science is that the process of gathering more data, improving models and theories is infinitely ongoing, and working out how to handle puzzlers like this, both in private e-mails and in the peer-reviewed literature, is what scientists live for.
Overall, the more data we have, the more clear it has become to the vast majority of scientists working in this field that the earth has gotten significantly hotter at an alarming rate in the last century, most likely due to increased concentrations of greenhouse gases in the atmosphere. And if there really is a smoking gun in the hacked e-mails that convicts scientists of fraudulent behavior or faking data, well, let’s hear it. I’m not convinced by the above example. But if enough scientists are, that’s a different matter.
Andrew Leonard is a staff writer at Salon. On Twitter, @koxinga21. More Andrew Leonard.
Republican climate folly
As temperatures break records, the GOP holds firm: The less we know about global warming, the better
Frank Gehrke, chief of snow surveys for the Department of Water Resources, stands in a snow-free meadow at Echo Summit, Calif. Warm spring weather, combined with lower then normal precipitation, caused the statewide snowpack water content to be only 40 percent of normal for this time of year. (Credit: AP/Rich Pedroncelli) Whatever adjective you choose — ironic? tragic? ludicrous? — the outcome of a series of budget votes held in the GOP-controlled House on Tuesday was definitely interesting. The chamber was wrangling over a series of amendments to an appropriations bill for the Departments of Commerce and Justice. The battle line was drawn between senior Republicans trying to resist further spending cuts, and young Turks looking to slash and burn.
In every case but one, the senior Republicans (with the help of Democrats) proved victorious. The lone exception? An amendment proposed by Maryland’s Andy Harris, cutting $542,000 in funding for a climate website at the National Oceanic and Atmospheric Administration.
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Andrew Leonard is a staff writer at Salon. On Twitter, @koxinga21. More Andrew Leonard.
Global warming hits home
After a year of freakish and destructive weather, Americans are finally waking up to the dangers of climate change
Houses were severely damaged after Hurricane Irene came through Bethel, Vt. on August 28, 2011 (Credit: U. S. Fish and Wildlife Service - Northeast Region / CC BY 2.0) The Williams River was so languid and lovely last Saturday morning that it was almost impossible to imagine the violence with which it must have been running on August 28, 2011. And yet the evidence was all around: sand piled high on its banks, trees still scattered as if by a giant’s fist, and most obvious of all, a utilitarian temporary bridge where for 140 years a graceful covered bridge had spanned the water.
The YouTube video of that bridge crashing into the raging river was Vermont’s iconic image from its worst disaster in memory, the record flooding that followed Hurricane Irene’s rampage through the state in August 2011. It claimed dozens of lives, as it cut more than a billion-dollar swath of destruction across the eastern United States.
Continue Reading CloseBill McKibben is the Schumann Distinguished Scholar at Middlebury College, and founder of the global climate campaign 350.org. His latest book is "Eaarth: Making a Life on a Tough New Planet.". More Bill McKibben.
Every country for itself
As American power wanes, we're being faced with a dangerous new power vacuum. An expert explains what's next
For the first time in nearly a century, the world doesn’t have a clear set of leaders. A generation ago, the G-7 – France, Germany, Italy, Japan, United Kingdom, United States and Canada – not only powered the global economy, they also, for better or worse, made the decisions that determined the outcome of the entire world. But over the last several years, the dynamic has changed.
According to a widely discussed 2010 report by London’s Standard Chartered Bank, the world has entered a new “‘super-cycle” in which traditional economic hierarchies are being upended. Ever since the financial crisis, the U.S. has lost the economic strength and force of will to be the world’s policeman. The number of Americans, for example, who believe the U.S. should “mind its own business internationally” has spiked to a level unseen since the 1950s. Meanwhile, new powers, like China, India and Brazil, have been unwilling to fill the power vacuum the U.S. has left behind. One could argue that this is a nice change from America’s aggressive past interventionism, but it has also helped create the global stalemate on everything from global warming to humanitarianism in Syria. And it’s a fact that has the potential to radically affect our future, both in positive and negative ways.
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Thomas Rogers is Salon's Arts Editor. More Thomas Rogers.
The Maldives’ ousted president on climate change and tyranny
Ousted in a February coup, Mohamed Nasheed talks global warming, Islamic radicals and "The Island President"
Mohamed Nasheed in "The Island President" It would be too optimistic to claim that the 2009 Copenhagen Summit represented a breakthrough or turning point in the battle against climate change. But it was the first moment when the United States, China and India — the world’s biggest polluters — all agreed in principle to reduce carbon emissions, and as symbolic statements go, that one was pretty big. Copenhagen also catapulted a most unlikely head of state to pop-star status, at least within the worldwide environmental movement. Mohamed Nasheed, who was then the president of the Maldives — Asia’s smallest country, both in area and population — emerged as the developing world’s most charismatic and dynamic spokesman on the causes, and the costs, of global warming.
Continue Reading CloseThe ugly delusions of the educated conservative
Better-educated Republicans are more likely to doubt global warming and believe Obama's a Muslim. Here's why
(Credit: AP Photo/Ross D. Franklin) I can still remember when I first realized how naïve I was in thinking—hoping—that laying out the “facts” would suffice to change politicized minds, and especially Republican ones. It was a typically wonkish, liberal revelation: One based on statistics and data. Only this time, the data were showing, rather awkwardly, that people ignore data and evidence—and often, knowledge and education only make the problem worse.
Someone had sent me a 2008 Pew report documenting the intense partisan divide in the U.S. over the reality of global warming.. It’s a divide that, maddeningly for scientists, has shown a paradoxical tendency to widen even as the basic facts about global warming have become more firmly established.
Chris Mooney is the author of four books, including "The Republican War on Science" (2005). His next book, "The Republican Brain: The Science of Why They Deny Science—and Reality," is due out in April. More Chris Mooney.
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