Your portrayal of the campus carbon-divestment movement could have provided a more balanced account of the controversy (Nature 521, 16–17; 2015). The strongest resistance to this movement is found not among faculty members, but in the boardrooms of the managing corporations.

As for the former, our own group, Harvard Faculty for Divestment (harvardfacultydivest.com), has grown in less than a year to more than 250 names, and includes several renowned climate scientists and Nobel laureates, as well as members of every school in the Harvard community.