There's been a sudden sea change in government language regarding the climate crisis.

Imagine a giant panda, lion, lioness and cubs and a Siberian tiger on a twenty five foot long ark outside one of Britain’s premier cathedrals.

Channel Four is running a series called "Daredevils" and the trailer for Monday night's offering ran like this:

"Just because you have a small roof terrace and scant time to cultivate an allotment doesn't mean you can't use up your food waste, " said my sister in law.

At a time when respect for MPs is at an all time low, you'd be forgiven for taking a cynical view on any politician who is seen in public kissing babies.

As an eye-catching way of drawing attention to the huge importance of the looming Copenhagen Climate Summit and the threat to God's creation, it was right on up there.

How do you campaign on an issue like climate which requires the long view and can be complicated?