Agence France-Presse: Britain’s Prince Charles urged the world Tuesday to fight climate change, saying that while the global credit crunch may be temporary, the effects of the “climate crunch” were irreversible. The heir to the British throne issued his appeal on a visit to Tokyo, where he and his wife Camilla are marking the 150th anniversary of diplomatic relations between Japan and Britain. “Given the current turbulence in the international financial system and the immediate and damaging effect …