Agence France-Presse: The Intergovernmental Panel on Climate Change has listened to and learned from recent criticism, but the threat of global warming is real and must be tackled, the group’s head said Saturday. Rajendra Pachauri, the embattled head of the Nobel Peace Prize-winning panel of experts, has been criticized for endorsing climate projections based on faulty or inaccurate evidence. "There’s been a lot of talking about climate change. It’s an area under strict scrutiny," he acknowledged at …