Telegraph: All right, I accept that this Arctic April may seem an incongruous time to address global warming. But there are important, and possibly hopeful, developments in the complex, contentious world of climate science that might finally give us all a sense of spring. For some recent research suggests that climate change might not be as catastrophic as the gloomiest predictions suggest.
The research, moreover, comes at a time when many experts are beginning to despair that warming can be prevented from...