Agence France-Presse: The United States has undergone an important mood-shift on climate change and is on the path toward “strong climate action,” a key UN official said here Tuesday. “The mood is completely different now… There’s a sense that the country’s on the move toward strong climate action,” Michael Zammit Cutajar, who chairs the UN Framework Convention on Climate Change (UNFCCC) working group on long-term cooperative action, told reporters. The US House of Representatives last month …