Breathingearth - CO2, birth & death rates by country, simulated real-time Don't know if anyone else will find this interesting... but I think it's cool! : 3 It shows "live" data of of bunch of things happening on Earth.
7.2, apparently. When did we hit 7? October 2010 or something like that IIRC. I didn't realise it had gone up so much since then.