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In a few months, a small British financial think tank will mark the tenth anniversary of the publication of a landmark research report that helped launch the global fossil-fuel-divestment movement. As that celebration takes place, another seminal report—this one obtained under the Freedom of Information Act from the world’s largest investment house—closes the loop on one of the key arguments of that decade-long fight. It definitively shows that the firms that joined that divestment effort have profited not only morally but also financially.
The original report, from the London-based Carbon Tracker Initiative, found something stark: the world’s fossil-fuel companies had five times more carbon in their reserves than scientists thought we could burn and stay within any sane temperature target. The numbers meant that, if those companies carried out their business plans, the planet would overheat. At the time, I discussed the report with Naomi Klein, who, like me, had been a college student when divestment campaigns helped undercut corporate support for apartheid, and to us this seemed a similar fight; indeed, efforts were already under way at a few scattered places like Swarthmore College, in Pennsylvania. In July, 2012, I published an article in