An explanation for ball lightning?

I wonder how long it will be before Al Gore tries to blame ball lightning on “dirty weather”? A neat video follows. From CSIRO: Goodness, gracious, great balls of lightning Sightings of balls of lightning have been made for centuries around the world – usually the size of a grapefruit and lasting up to twenty seconds…

‘Broken world’ blamed on Carbon

From the University of Leeds , 250 million year old certainty where there was none before, now megasized. Tropical collapse caused by lethal heat Extreme temperatures blamed for ‘Dead Zone’ Scientists have discovered why the ‘broken world’ following the worst extinction of all time lasted so long – it was simply too hot to survive.…