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Communicating Climate

Field notes from a Nature Conservancy meeting

21 Oct 2008 by eric

I had the opportunity to attend a three-day meeting of the Nature Conservancy last week in Vancouver. I was there with my RealClimate hat on, to offer ideas and insight on blogging in particular, and public communication of science in general.

While at the conference, I had a rare chance to see some of the inner workings of one of the world’s largest and most successful environmental organizations (this was an invite-only conference, and only a handful of us were other than Nature Conservancy staff and trustees). The Nature Conservancy has a reputation of being very non-partisan, and this was abundantly evident at the conference: There were representatives present from the Shell Oil Company, from the Christian Coalition, from Environmental Defense. This broad level of buy-in of Nature Conservancy goals is perhaps not surprising, given that the main thing this organization is known for is its method of protecting land: buying it. Neither free-market boosters (if there are there any remaining) nor lefty environmentalists have any trouble with this.

What was news to me, though, was the extent to which the Nature Conservancy is also working towards influencing policy on climate change. Getting serious about climate policy is no longer a partisan issue in the U.S.: both John McCain and Barak Obama are on record for supporting cap and trade carbon markets. But one might well ask what climate policy has to do with the buy-the-land-to-protect it method of the Nature Conservancy. As I learned at the conference, there are two rationales.

First, the Nature Conservancy has a strongly science-based policy for making land-purchasing decisions. They take into account things like the minimum viable ecosystem size in determining which acquisitions will actually have lasting impact. Trouble is, for many areas, the conditions those decisions are based on may change. Areas near sea level are an obvious example. But so are the more than 10,000 acres of native tallgrass prairie that they have protected in Kansas. How much will that ecosystem change with the projected changes in precipitation in this region? Obviously, the Nature Conservancy is taking into account such projections, as best they can. But they have also decided that the risks of climate change to the world’s ecosystems are too large to simply adapt to: hence their interest in helping to push governments to enact policies that will help mitigate it.

Second, it turns out that the Nature Conservancy’s mission is — and has always been — much broader than is widely recognized. As they note on their mission statement page they can’t possibly buy all the places they want to protect. To achieve their mission — “to preserve the plants, animals and natural communities that represent the diversity of life on Earth by protecting the lands and waters they need to survive” — they will clearly have to do something much bigger. The buzzword here is sustainability, and the nature Conservancy is now launching what they call their Campaign for a Sustainable Planet. This means a serious focus not just on direct ecosystem protection but also on sustainable development. International sustainable development goals, of course, are impossible to separate from international energy policy. And one cannot today talk about energy policy without talking about climate policy. It is therefore quite logical for the Nature Conservancy to be drawn into weighing-in on climate policy.

Now, what does this have to do with RealClimate? Well, the Nature Conservancy is interested in expanding their web-based communication toolbox. They already have a great deal of information on their web page: see for example their article on climate change adaptation, here; but they’d like to do more. And in particular, they are interested in getting more information out there from their scientists. As I already pointed out, The Nature Conservancy — which has over 700 full time scientists working for it — prides itself on being strongly science-based. So do we here at RealClimate (read our welcome page). Unlike us, whose day jobs are to produce and broadly disseminate scientific results (through teaching and publication), Nature Conservancy scientists don’t necessarily publish their work. There is no doubt a lot of really interesting and important work being done that doesn’t get out to many other scientists, let alone the general public. A blog, or something like it, could provide those scientists with a place to talk about their work. Hence my attendance at the meeting, to offer a bit of advice and perspective.*

Here at RealClimate, we look forward to seeing where Nature Conservancy goes with this, and wish them best success in their efforts. [Watch this space for an announcement, if and when they launch something.] For my part, I’ll be especially enthusiastic if the Nature Conservancy doesn’t limit itself to talking about its various projects around the world (interesting as those may be). What I’d really like to see is a site that provides their perspective on some of the more difficult — but really important — questions in the area of climate change impacts. How much danger are polar bears in, really? How will agriculture in Asian monsoon regions be affected? What are the broader effects of ocean acidification (beyond the immediate impact on coral reefs)? The Nature Conservancy won’t be the last word on this — any more than RealClimate is. But their perspective, from field scientists “on the ground”, could prove extremely valuable.

One additional thought. In several of the sessions I attended at the Nature Conservancy meeting, reference was made to the need to stabilize global temperature rise at no more than 2°C, and correspondingly to stabilize CO2 levels at no greater than 450 ppm (strictly speaking, this should be 450 ppm CO2-radiative-equivalent; there is a big difference, and it is often neglected). In each case, reference was made to the IPCC reports as the source of these numbers. Yet these numbers really don’t derive from the IPCC, which (rightly) shied away from being policy prescriptive. Rather, they have their origin in a small number of documents, notably the 1995 report of the German Advisory Council on Global Change, papers related to the Exeter conference on “avoiding dangerous climate change” and in European Union Council decisions (see the 1996 and 2006 Presidency Conclusions here). Clearly, the 2°C/450 ppm numbers have completely permeated the policy-advocacy realm. Yet while they are arguably derivable from the IPCC reports, it is actually not clear to what extent the larger scientific community really believes these are the right numbers. There simply has not been a process to evaluate this that compares in depth and breadth with the IPCC. A new and much more comprehensive analysis, by a much greater group of scientists, would be valuable at this juncture. Scientists are fond of saying that they cannot summarize their projections with a small handful of simple numbers, but simple numbers are what are being discussed in policy circles. If the “right” numbers are really so low as Jim Hansen believes (see our post on this, here), then the Nature Conservancy has an even more difficult task ahead.

*[For those interested in slogging through it, there’s a video of our session, here. It’s not just about me. There is also some really interesting stuff from Nature Conservancy staffer Jonathon Colman and from the folks who started the conservation clearinghouse and collaboration websites www.conservationyellowpages.org and wiserearth.org, as well as a demonstration (not altogether successful) of the emerging virtual reality conferencing technology which (when it works) might help all of us travel to conferences less often. A word of advice: skip all this and instead take a look at the Keynote lectures, by far better orators than me: Mark Tercek, Nature Conservancy CEO, Jerome Ringo, Apollo Alliance President, and CARE C.O.O. Steve Hollingworth

Filed Under: Climate Science, Communicating Climate, Reporting on climate

Adapting in Amsterdam

9 Oct 2008 by rasmus

EMS/ECAC 2008 venue The theme of this year’s annual meeting of the European Meteorological Society (EMS) [European Congress on Applied Climatology (ECAC)] was adaptation to climate change. So what’s more appropriate then, than hosting the meeting in Amsterdam – on a building site?

[Read more…] about Adapting in Amsterdam

Filed Under: Climate Science, Communicating Climate, RC Forum

A new survey of scientists

29 Sep 2008 by Gavin

Translations: (Deutsch)

Dennis Bray and Hans von Storch have been making surveys of climate scientists for a number of years with the reasonable aim of seeing what the community thinks (about IPCC, climate change, attribution etc). They have unfortunately not always been as successful as one might like – problems have ranged from deciding who is qualified to respond; questions that were not specific enough or that could be interpreted in very different ways; to losing control of who answered the questionnaire (one time the password and website were broadcast on a mailing list of climate ‘sceptics’). These problems have meant that the results were less useful than they could have been and in fact have occasionally been used to spread disinformation. How these surveys are used obviously plays into how willing scientists are to participate, since if your answers are misinterpreted once, you will be less keen next time. Others have attempted similar surveys, with similar problems.

As people should know, designing truly objective surveys is very tricky. However, if you are after a specific response, it’s easy to craft questions that will favour your initial bias. We discussed an egregious example of that from Steven Milloy a while ago. A bigger problem is not overt bias, but more subtle kinds – such as assuming that respondents have exactly the same background as the questioners and know exactly what you are talking about, or simply using questions that don’t actually tell you want you really want to know. There are guides available to help in crafting such surveys which outline many of the inadvertent pitfalls.

Well, Bray and von Storch have sent out a new survey.

[Read more…] about A new survey of scientists

Filed Under: Climate Science, Communicating Climate

The mpg confusion

23 Sep 2008 by Gavin

Translations: (Español) (Français)

What reduces emissions more?
A. Someone swapping their old SUV (which gets 12 miles per gallon) for a hybrid version (18 mpg) or
B. someone upgrading their 25 mpg compact to a new 46 mpg Prius?
(ignore for a minute manufacturing issues or driving habits and assume the miles driven are the same).

[Read more…] about The mpg confusion

Filed Under: Climate Science, Communicating Climate

Friday round-up

29 Aug 2008 by Gavin

Blogging has been a little light recently (apologies!), but here are a few pieces that have caught our eye this week.

First up, the Columbia Journalism Review has a two–parter on journalistic coverage of climate change inspired by comments from Jeff Huggins on the Andy Revkin’s Dot Earth blog. The key issues CJR addresses are familiar ones to readers here: how to communicate mainstream science in a way that doesn’t distort the reality of the consensus on many issues in favour of controversy on more cutting-edge topics. Definitely worth a read, and proof (if such were needed) that commenting on blogs can make a difference to coverage.

Next, the role of CO2 as a long-term climate forcing. The old CO2 lead/lag issue keeps making the rounds as a contrarian talking point (and made a brief resurgence here in comments this week) despite the fact that the existence of impact of climate on the carbon cycle in no way invalidates the impact of CO2 (as a greenhouse gas) on climate. However, there is a nice paper in Nature this week (Lunt et al, 2008) which looks at the various proposed triggers for the onset of the quaternary glaciations at the end of the Pliocene (~3 million years ago). These triggers involve, permanent El Nino events, the closing of the Isthmus of Panama, changes in orbital forcing, tectonic uplift of the Rocky mountains – and long-term decreases in CO2 as a function of very slow variations in sea floor spreading and chemical weathering. Lunt et al find that only the change in CO2 (400 ppm to 280 ppm) can explain the changes in the ice sheet. None of the other ideas come even close.

Thus, it looks very much like the climate changed radically due to this externally forced drift in CO2 (and tectonic is external for climate purposes on this timescale). As a corollary, this is an expansion of the idea we discussed a few months back, that the long term changes in the Earth system due to external forcings might be well be larger than the classical (Charney) sensitivity we often talk about.

Third. There has been a lot of discussion on energy futures in the comments – Nature had a good rundown of the scientific constraints on the different prospects. But this video is a quite entertaining discussion of why we just can’t get our heads around the issue from Dan Gilbert (h/t GH).

Finally, a commentary on the prospects for continued employment as an Arctic ice expert (h/t Climate Feedback).

Filed Under: Climate Science, Greenhouse gases, Reporting on climate

Are geologists different?

19 Aug 2008 by rasmus

rockThe International Geological Congress (IGC) is sometimes referred to as the geologists’ equivalent of the Olympic Games and is an extremely large gathering of geologists from all over the world, taking place at 4-year intervals. This time, the IGC took place in Lillestrøm, a small place just outside Oslo, Norway (August 6-14). The congress was opened by the Norwegian King (before he continued to the real games in Beijing), and was attended by some 6,000 scientists from 113 countries. Even the Danish Minister of Energy & Climate participated in a panel discussion on climate change. In other words, this was a serious meeting.

[Read more…] about Are geologists different?

Filed Under: Climate Science, RC Forum, skeptics

Bridging the divides

2 Aug 2008 by Gavin

We often discuss the issues that arise in doing interdisciplinary work in climate science, and Liz Moyer and I have a commentary on that just out in Nature Reports Climate Change. Normally I don’t mention these kinds of pieces on the blog, but in this case the editors commissioned a nice cartoon (from Mark Roberts) illustrating our point. I liked the cartoon a lot, and so it deserves as wide an audience as possible.

A bit of context is probably useful. The three main protagonists are representative of the somewhat different foci of paleo-climatologists, climate modellers and economists. Very broadly speaking, paleo-climate science is built around the analysis of single location time series (often from holes that are drilled). Climate modellers spend a lot of time trying to see what is coming up in all its complexity, while economists tend to eschew complexity and look for insight in highly idealised situations. But in order to increase the credibility of models, they have to do well at simulating past climates and what might happen in the future is certainly informed by what has happened in the past. And in order to better understand the impacts of climate change and various proposed policies, economists will need to embrace the complexity of human-climate interactions while modellers need to better understand what aspects of climate really do make a difference. None of these things will happen if we continue to all look in different directions, and more problematically, fail to support and reward those scientists who want to bridge the divides. Sea monsters notwithstanding.

Filed Under: Climate Science, Communicating Climate

Journalistic whiplash

29 Jul 2008 by Gavin

Translations: (Español)

Andy Revkin has a good article in the Science Times today on the problem of journalistic whiplash in climate change (also discussed here). This phenomena occurs with the more uncertain parts of a science that are being actively researched and where the full story is only slowly coming together. In such cases, new papers often appear in high profile journals (because they meet the ‘of general interest’ test), and are often parsed rather simplistically to see what side of the fence they fall – are they pro or anti? This leads to wide press interest, but rather shallow coverage, and leaves casual readers with ‘whiplash’ from the ‘yes it is’, ‘no it isn’t’ messages every other week.

This is a familiar pattern in health reporting (is coffee good for you/bad for you etc.), but in more recent times has started happening in climate science too. Examples picked out in the article include the hurricanes/global warming connection and the state of Greenland’s ice sheet. In both cases, many new pieces of evidence, new theories and new models are being thrown into the pot, but full syntheses of the problems remain elusive. Scientists are of course interested in knowing how it all fits together (and it usually does), but the public – unaware of what is agreed on and what is uncertain – see only the ping-pong across the media. Unlike more mature parts of the science (such as the radiative effect of greenhouse gases), there is much less context available to relate to these new pieces of science.

This spectacle of duelling and apparently contradictory science fuels the notion that scientists can’t agree on anything. Ironically, just as climate change has made it on to the front page because the weight of evidence supporting a human role in recent warming, increased coverage may actually be leading people to think that scientists are more divided on the basic questions.

Is this inevitable? Or can scientists, press officers and journal editors and journalists actually do anything about it? Your thoughts are most welcome!

Filed Under: Climate Science, Communicating Climate, Reporting on climate

Once more unto the bray

23 Jul 2008 by Gavin

We are a little late to the party, but it is worth adding a few words now that our favourite amateur contrarian is at it again. As many already know, the Forum on Physics and Society (an un-peer-reviewed newsletter published by the otherwise quite sensible American Physical Society), rather surprisingly published a new paper by Monckton that tries again to show using rigorous arithmetic that IPCC is all wrong and that climate sensitivity is negligible. His latest sally, like his previous attempt, is full of the usual obfuscating sleight of hand, but to save people the time in working it out themselves, here are a few highlights.

[Read more…] about Once more unto the bray

Filed Under: Climate Science, Greenhouse gases, skeptics

All-paper salutes to the environment

11 Jul 2008 by group

The Onion last week had a great (recycled) spoof on the various ‘green’ special issues being published but, not to be outdone, the contributors to RealClimate have also been busy producing paper products about the environment.

Surprisingly perhaps, as well as having day jobs and writing for this blog, collectively we have written a number of popular science books about climate change. Some of these have already been published, but there are a few more “in the pipeline”. We try not to overdo self-promotion on this website (for instance, we don’t blog about most of our own technical publications) but since these projects are synergistic with our aims here, it makes sense to let people know what we’ve been up to. We have therefore set up a page listing “Our Books” that we will keep up-to-date as more titles become available. It’s also linked from the new animated gif image on the side bar.

Filed Under: Climate Science, Communicating Climate

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