Climate scientists are preparing for new attacks from Republicans. But they don’t all agree on the right approach.
Michael Mann

Michael Mann on the latest Climategate crusade
In 1998, Michael Mann published a graph that showed the Earth was getting warmer. Now he’s being investigated for fraud. Alison Stewart talks to Mann to get his side of the story.

Climate scientist calls Va. attorney general’s fraud probe ‘harassment’
An influential climate scientist who has been accused by the Virginia attorney general of defrauding the public calls the probe “criminal harassment” and warns that the case could set a “horrifying” precedent.