LiveScience: More than 250 climate scientists are gathering in Sweden this week to finalize the Intergovernmental Panel on Climate Change's (IPCC) latest assessment on the sView gallery."Greenland's Petermann Glacier birthed a massive new iceberg in June 2012. The glacier has shrunk sig ...cience of global warming. The comprehensive and sweeping report is designed to help guide the world's policymakers. But elsewhere, some experts say it's time to reassess the entire IPCC process, which includes examining the...