World leaders insist that the climate deal clinched in desperation at the UN summit in Copenhagen is the best that can be done as they return home to a lashing from critics. Newspapers have widely called the summit accord a failure and experts such as the head of a Nobel Peace prize-winning climate panel says [...]

In 1992, after several years of struggle with a project against major business and personal barriers, I was told to give up and that it couldn’t be done. They were right. They were right because I believed them and I gave up! Several years later, one evening I called all the operators of a franchise [...]