Agence France-Presse: Britain’s Prince Charles urged the European Union Thursday to show even greater leadership in the fight against global warming as the "doomsday clock of climate change" ticks down. In a speech to members of the European Parliament in Brussels, the prince urged the EU to strive to unite the public and private sectors and non-governmental organisations to help save the world’s rain forests. "Determined and principled leadership has never been more needed. Surely …