3,000 scientists and experts from all over the world applied to be part of IPCC. That was 50% more than applied for AR4. It doesn't look like they want to escape but rather to join up.....
"...In March 2010, the IPCC received approximately 3,000 author nominations from experts around the world. At the bureau session held in Geneva, 19–20 May 2010, the three working groups presented their selected authors and review editors for the AR5. Each of the selected scientists, specialists and experts was nominated in accordance with IPCC procedures, by respective national IPCC focal-points, by approved observer organizations, or by the bureau.
The IPCC received 50% more nominations of experts to participate in AR5 than it did for AR4. A total of 559 authors and review editors had been selected for AR4 from 2,000 proposed nominees. On 23 June 2010 the IPCC announced the release of the final list of selected coordinating lead authors, comprising 831 experts who are drawn from fields including meteorology, physics, oceanography, statistics, engineering, ecology, social sciences and economics. In comparison to the Fourth Assessment Report (AR4), participation from developing countries was increased, reflecting the on-going efforts to improve regional coverage in the AR5. About 30% of authors will come from developing countries or economies in transition. More than 60% of the experts chosen are new to the IPCC process, which will bring in new knowledge and perspectives.....
IPCC Fifth Assessment Report - Wikipedia, the free encyclopedia