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Don’t expect climate action from Rex Tillerson. He’s a lukewarmer.

Former ExxonMobil CEO Rex Tillerson, U.S. President-elect Donald Trump's nominee for Secretary of State, testifies during his confirmation hearing before Senate Foreign Relations Committee January 11, 2017 on Capitol Hill in Washington, DC.
Alex Wong | Getty Images
Former ExxonMobil CEO Rex Tillerson, U.S. President-elect Donald Trump's nominee for Secretary of State, testifies during his confirmation hearing before Senate Foreign Relations Committee January 11, 2017 on Capitol Hill in Washington, DC.

Rex Tillerson, until very recently the CEO of the world's largest private oil company and a close chum of Russian President Vladimir Putin, is now the US secretary of state. This is not some ham-handed satire or lurid dystopian novel. It's real life.

This makes Tillerson's views on climate change a matter of great interest. Most countries in the world send their minister of the environment (the equivalent of our EPA administrator) to represent them at international climate talks. The US is different — we send our minister of international affairs, i.e., our secretary of state.

That means international climate agreements — the big one signed in Paris as well as bi- and multi-lateral deals with China and other countries — are on Tillerson's plate. For most countries who deal with the US, he will represent America's disposition toward climate action.

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In a normal world, this would mean that he carries out his president's agenda. But President Donald Trump's thoughts and plans on climate change are, like most of his thoughts and plans, opaque. They might not exist at all. He seems to take whatever perspective is taken by whoever he talked to last.

Suffice to say, Tillerson is likely to have more influence than your average secretary. (Though on this, as on all matters Trump, we are all guessing.)


What does Tillerson think about climate change?

Judging from what we learned at his confirmation hearing on January 11, Tillerson is a "lukewarmer," someone who acknowledges that the climate is changing, but doesn't think it will be that bad and doesn't think we know enough to take serious action anyway.

Functionally, a lukewarmer isn't much different than an outright denier — they do not support serious policy. But politically, lukewarmism is a much smarter, more soothing stance, because it dodges the uncomfortable "denier" label.

At his hearing, Tillerson tried to get away with lukewarmism. Usually it works; very few US politicians scratch more than an inch deep on climate change, and lukewarmism has very nice-sounding inch-deep answers.

Unfortunately for Tillerson, as I wrote in a post at the time, he ran into a politician who actually understands climate change and was not satisfied with inch-deep answers. Here's how it went down:

Late into the hearing, it came time for Sen. Jeff Merkley's second round of questioning. What followed was something rare in US politics: a substantive back and forth on the subject of climate change.

It was a deft bit of work on Merkley's part, as it drew Tillerson out. Underneath the polish, it turns out, he is a very familiar sort of climate skeptic.

Being a "lukewarmer" means you acknowledge that carbon emissions are having a warming effect, but say we can't predict what will happen, we can't live without fossil fuels, and we can adapt to whatever climate change does occur.

I don't doubt that many lukewarmers sincerely believe all this, and maybe Tillerson does too. But regardless, it is an extremely convenient stance for someone in his position. And it is strategically savvy. It enables him (and ExxonMobil) to appear sober and sensible in contrast to science deniers like, uh, Tillerson's boss, who think it's all a hoax. But it doesn't commit them to any urgency or suggest any particular level of greenhouse gas reductions.

Similarly, supporting a global, revenue-neutral carbon tax enables them to appear open-minded and solution-oriented without committing them to any policy that actually has a chance of passing.

Lukewarmism has always been the smarter play for conservatives, but their zealotry carried them over into conspiracy theories. It's making a comeback, though, especially among the think tank set.

One key insight behind lukewarmism is that interest in climate change among US elected officials and national journalists is an inch-deep at best. Almost never will a US politician be pushed beyond bromides, usually about whether climate change is "real." (Imagine: "Senator, what is your position on diabetes? Is it real?")

A lukewarmer has plenty of bromides: Climate change is a real risk; we should do something about it; research and innovation are great. That's all it takes to be deemed sensible on climate policy. Rarely if ever will anyone probe beyond that.

And Tillerson is smooth, too. It's easy to see why he's good in negotiations. He rarely says more than he has to and betrays little emotion.

But Merkley actually pushed.



"[W]e see Tillerson beginning to show his cards. That there is uncertainty in climate models, particularly when it comes to predicting specific regional impacts in specific future years, is undeniable. It’s practically a truism in the field."

He starts by trying to get Tillerson to plainly acknowledge that climate change is a serious risk.

Tillerson doesn't want to get caught sounding too unequivocal, so he grumbles about how "the models" don't agree on what's going to happen. In fact, "none of them agree."

And here we see Tillerson beginning to show his cards. That there is uncertainty in climate models, particularly when it comes to predicting specific regional impacts in specific future years, is undeniable. It's practically a truism in the field. But by the same token, models do converge with high confidence on big-picture impacts at high temperatures. There is more than enough model agreement to alarm the hell out of scientists.

Merkley then points out that noticeable impacts of climate change are already taking place in his state and many others, and that it's only going to get worse. He notes that many people are coming to see global warming as a national security threat. Does Tillerson?

"I don't see it as the imminent security threat that perhaps others do," Tillerson acknowledges.

Those "others" include a wide swath of the national security community and the Department of Defense itself, which called climate change a "threat multiplier."

Merkley then points out that the drought in Syria is what helped cause the civil war and migrations that ended up producing so much political trouble across Europe. Has Tillerson considered climate's role as a threat multiplier?

Tillerson acknowledges that there are droughts and insect infestations, but says "the science behind the clear connection is not conclusive." He says there are "many reports out there" that say we can't connect individual weather and climactic events to global warming.

This kind of hair-splitting about causality is an old chestnut in climate debates, but it too is rapidly being rendered anachronistic. The National Academies of Science recently issued a book-length report, authored by dozens of researchers, surveying the rapidly maturing field of attribution science.

They emphasize that it's important to frame the question correctly. No, background atmospheric conditions are never "the cause" of a weather event, much less a complex sociopolitical event like armed conflict. What changes in background atmospheric conditions do is raise the probability of more proximate threats. They make a whole range of dangers more likely.

But properly understood, yes, it is increasingly possible to attribute individual weather events to changes brought about by global warming. We can say that it is very unlikely a particular event would have happened without warming, which amounts to the same thing.

Merkley explains all this and asks whether Tillerson agrees that climate change raises the odds of extreme weather events.

"Some literature suggests that," Tillerson says. "There's other literature that suggests it's inconclusive."

Again, Tillerson is showing his cards. "Scientists disagree" is the oldest skeptic argument of all. The global warming signal amidst the weather noise is getting clearer and clearer, but the argument never changes.

Merkley doesn't soft-pedal it either. He says Tillerson's position is "disappointing."


Merkley then asks about the Paris agreement.

Tillerson says (what he said probably a half-dozen times at the hearing) that the US "needs a seat at that table." This is clearly a talking point, but it is, deliberately, I think, ambiguous. A "seat at the table" could mean staying in the Paris agreement, or it could simply mean staying a part of the United Nations Framework Convention on Climate Change. I wish Merkley had pushed a bit on this.

But more interesting is Tillerson's view of the dynamic of international climate negotiations.

Another very, very old skeptic argument is that even if climate change is real, other countries aren't doing anything about it, so if the US does, it's only playing itself, putting itself at a competitive disadvantage.

But the Paris agreement has rendered this argument finally and completely absurd. Nearly every country involved has pledged specific emission reductions and committed to a system whereby those reductions will be regularly reviewed and the information transparently shared.

The notion that the US is at risk of acting alone is a decade old. If anything, the US has become a laggard. China is now investing more in renewable energy and building more renewable energy capacity than the US, by an increasing margin.

Merkley points out that US leadership matters. Does Tillerson agree?

"We need a seat at the table," he repeats. Then he says it's important that "others step forward" and "decide if it's important to them or not."

"If America's the only one that's willing to lead," Tillerson says, beginning to sound somewhat exasperated, "then my conclusion is that the rest of the world doesn't think it's very important."

America the only one willing to lead? The international community is going to find that darkly amusing.

Merkley points out that China and India are both rapidly shifting toward renewables. He pushes again: Other countries are stepping up. Shouldn't we?

Tillerson stubbornly repeats that the US needs to be "part of the conversation."

In other words, no. He doesn't think the US should lead on this issue. It took someone asking him directly to make that clear.


Of course no one is under any illusion that Trump's administration is going to lead on climate change. But Tillerson came armed with just the sort of soothing, reasonable-sounding clichés that are typically enough to calm the fears of politicians on this subject. It usually doesn't take much.

But Merkley genuinely cares about climate change. And he knows something about it. He was willing to do what very few US politicians (or journalists!) will do, which is push a public figure to go deeper than climate clichés.

Thanks to Merkley's patient efforts, it was made clear that Tillerson is a fossil fuel supporter who feels no need to act with any urgency on climate change. Functionally, if not rhetorically, that puts him squarely in line with his GOP colleagues.

Commentary by David Roberts, a writer for Vox. Follow him/her on Twitter @drvox.

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