Update: Some related concerns from deepclimate.org, if these claims can be verified.
In a recent interview for a Norwegian magazine (Teknisk Ukeblad, 0412), the IPCC chair Rajendra Kumar Pachauri told the journalist that he had received death threats in connection with his role as a head for the IPCC. There have also been recent reports of threats and harassment of climate scientists for their stance on climate change (Kerry Emanuel. Katharine Hayhoe, Australian climate scientists, Phil Jones, Barton campaign, and Inhofe’s black list).