Katharine Hayhoe, climate evangelist, takes to the web to convert nonbelievers

As a Texas-based climate scientist and an evangelical Christian, Hayhoe is well placed to reach a sceptical audience - even if that means braving hate mail

"Speaking of shills, if she teaches in Texas she probably gets grants from the oil industry."

This is one of the more polite social media missiles Katharine Hayhoe has had fired at her this week. But it's hopelessly misguided.