Credit: Amanda Andrade-Rhoades / Reuters

Understanding climate denial used to seem easy: It was all about greed. Delve into the background of a researcher challenging the scientific consensus, a think tank trying to block climate action or a politician pronouncing climate change a hoax and you would almost always find major financial backing from the fossil fuel industry.

Those were simpler, more innocent times, and I miss them.

True, greed is still a major factor in anti-environmentalism. But climate denial has also become a front in the culture wars, with right-wingers rejecting the science in part because they dislike science in general and opposing action against emissions out of visceral opposition to anything liberals support.

And this cultural dimension of climate arguments has emerged at the worst possible moment — a moment when both the extreme danger from unchecked emissions and the path toward slashing those emissions are clearer than ever.

Some background: Scientists who began warning decades ago that the rising concentration of greenhouse gases in Earth’s atmosphere would have dangerous effects on the […]

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